diff --git a/encode.go b/encode.go
index e21a38e..c574be7 100644
--- a/encode.go
+++ b/encode.go
@@ -6,7 +6,6 @@ import (
 
 	"github.com/goccy/go-json/internal/encoder"
 	"github.com/goccy/go-json/internal/encoder/vm"
-	"github.com/goccy/go-json/internal/encoder/vm_debug"
 	"github.com/goccy/go-json/internal/encoder/vm_escaped"
 	"github.com/goccy/go-json/internal/encoder/vm_escaped_indent"
 	"github.com/goccy/go-json/internal/encoder/vm_indent"
@@ -250,7 +249,7 @@ func encodeIndent(ctx *encoder.RuntimeContext, v interface{}, prefix, indent str
 
 func encodeRunCode(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet, opt EncodeOption) ([]byte, error) {
 	if (opt & EncodeOptionDebug) != 0 {
-		return vm_debug.Run(ctx, b, codeSet, encoder.Option(opt))
+		return encodeDebugRunCode(ctx, b, codeSet, opt)
 	}
 	if (opt & EncodeOptionHTMLEscape) != 0 {
 		return vm_escaped.Run(ctx, b, codeSet, encoder.Option(opt))
@@ -258,11 +257,28 @@ func encodeRunCode(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.Opcod
 	return vm.Run(ctx, b, codeSet, encoder.Option(opt))
 }
 
+func encodeDebugRunCode(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet, opt EncodeOption) ([]byte, error) {
+	if (opt & EncodeOptionHTMLEscape) != 0 {
+		return vm_escaped.DebugRun(ctx, b, codeSet, encoder.Option(opt))
+	}
+	return vm.DebugRun(ctx, b, codeSet, encoder.Option(opt))
+}
+
 func encodeRunIndentCode(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet, prefix, indent string, opt EncodeOption) ([]byte, error) {
 	ctx.Prefix = []byte(prefix)
 	ctx.IndentStr = []byte(indent)
+	if (opt & EncodeOptionDebug) != 0 {
+		return encodeDebugRunIndentCode(ctx, b, codeSet, opt)
+	}
 	if (opt & EncodeOptionHTMLEscape) != 0 {
 		return vm_escaped_indent.Run(ctx, b, codeSet, encoder.Option(opt))
 	}
 	return vm_indent.Run(ctx, b, codeSet, encoder.Option(opt))
 }
+
+func encodeDebugRunIndentCode(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet, opt EncodeOption) ([]byte, error) {
+	if (opt & EncodeOptionHTMLEscape) != 0 {
+		return vm_escaped_indent.DebugRun(ctx, b, codeSet, encoder.Option(opt))
+	}
+	return vm_indent.DebugRun(ctx, b, codeSet, encoder.Option(opt))
+}
diff --git a/internal/encoder/vm/debug_vm.go b/internal/encoder/vm/debug_vm.go
new file mode 100644
index 0000000..43525e1
--- /dev/null
+++ b/internal/encoder/vm/debug_vm.go
@@ -0,0 +1,27 @@
+package vm
+
+import (
+	"fmt"
+
+	"github.com/goccy/go-json/internal/encoder"
+)
+
+func DebugRun(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet, opt encoder.Option) ([]byte, error) {
+	defer func() {
+		if err := recover(); err != nil {
+			fmt.Println("=============[DEBUG]===============")
+			fmt.Println("* [TYPE]")
+			fmt.Println(codeSet.Type)
+			fmt.Printf("\n")
+			fmt.Println("* [ALL OPCODE]")
+			fmt.Println(codeSet.Code.Dump())
+			fmt.Printf("\n")
+			fmt.Println("* [CONTEXT]")
+			fmt.Printf("%+v\n", ctx)
+			fmt.Println("===================================")
+			panic(err)
+		}
+	}()
+
+	return Run(ctx, b, codeSet, opt)
+}
diff --git a/internal/encoder/vm/hack.go b/internal/encoder/vm/hack.go
index 2c1918d..ec24ee3 100644
--- a/internal/encoder/vm/hack.go
+++ b/internal/encoder/vm/hack.go
@@ -2,8 +2,8 @@ package vm
 
 import (
 	// HACK: compile order
-	// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent`, `vm_debug` packages uses a lot of memory to compile,
+	// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent` packages uses a lot of memory to compile,
 	// so forcibly make dependencies and avoid compiling in concurrent.
-	// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent => vm_debug
+	// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent
 	_ "github.com/goccy/go-json/internal/encoder/vm_escaped"
 )
diff --git a/internal/encoder/vm_debug/util.go b/internal/encoder/vm_debug/util.go
deleted file mode 100644
index 2fe1a9a..0000000
--- a/internal/encoder/vm_debug/util.go
+++ /dev/null
@@ -1,215 +0,0 @@
-package vm_debug
-
-import (
-	"encoding/json"
-	"fmt"
-	"unsafe"
-
-	"github.com/goccy/go-json/internal/encoder"
-	"github.com/goccy/go-json/internal/runtime"
-)
-
-const uintptrSize = 4 << (^uintptr(0) >> 63)
-
-var (
-	appendInt           = encoder.AppendInt
-	appendUint          = encoder.AppendUint
-	appendFloat32       = encoder.AppendFloat32
-	appendFloat64       = encoder.AppendFloat64
-	appendString        = encoder.AppendString
-	appendByteSlice     = encoder.AppendByteSlice
-	appendNumber        = encoder.AppendNumber
-	errUnsupportedValue = encoder.ErrUnsupportedValue
-	errUnsupportedFloat = encoder.ErrUnsupportedFloat
-	mapiterinit         = encoder.MapIterInit
-	mapiterkey          = encoder.MapIterKey
-	mapitervalue        = encoder.MapIterValue
-	mapiternext         = encoder.MapIterNext
-	maplen              = encoder.MapLen
-)
-
-type emptyInterface struct {
-	typ *runtime.Type
-	ptr unsafe.Pointer
-}
-
-func errUnimplementedOp(op encoder.OpType) error {
-	return fmt.Errorf("encoder (debug): opcode %s has not been implemented", op)
-}
-
-func load(base uintptr, idx uintptr) uintptr {
-	addr := base + idx
-	return **(**uintptr)(unsafe.Pointer(&addr))
-}
-
-func store(base uintptr, idx uintptr, p uintptr) {
-	addr := base + idx
-	**(**uintptr)(unsafe.Pointer(&addr)) = p
-}
-
-func loadNPtr(base uintptr, idx uintptr, ptrNum int) uintptr {
-	addr := base + idx
-	p := **(**uintptr)(unsafe.Pointer(&addr))
-	for i := 0; i < ptrNum; i++ {
-		if p == 0 {
-			return 0
-		}
-		p = ptrToPtr(p)
-	}
-	return p
-}
-
-func ptrToUint64(p uintptr) uint64              { return **(**uint64)(unsafe.Pointer(&p)) }
-func ptrToFloat32(p uintptr) float32            { return **(**float32)(unsafe.Pointer(&p)) }
-func ptrToFloat64(p uintptr) float64            { return **(**float64)(unsafe.Pointer(&p)) }
-func ptrToBool(p uintptr) bool                  { return **(**bool)(unsafe.Pointer(&p)) }
-func ptrToBytes(p uintptr) []byte               { return **(**[]byte)(unsafe.Pointer(&p)) }
-func ptrToNumber(p uintptr) json.Number         { return **(**json.Number)(unsafe.Pointer(&p)) }
-func ptrToString(p uintptr) string              { return **(**string)(unsafe.Pointer(&p)) }
-func ptrToSlice(p uintptr) *runtime.SliceHeader { return *(**runtime.SliceHeader)(unsafe.Pointer(&p)) }
-func ptrToPtr(p uintptr) uintptr {
-	return uintptr(**(**unsafe.Pointer)(unsafe.Pointer(&p)))
-}
-func ptrToNPtr(p uintptr, ptrNum int) uintptr {
-	for i := 0; i < ptrNum; i++ {
-		if p == 0 {
-			return 0
-		}
-		p = ptrToPtr(p)
-	}
-	return p
-}
-
-func ptrToUnsafePtr(p uintptr) unsafe.Pointer {
-	return *(*unsafe.Pointer)(unsafe.Pointer(&p))
-}
-func ptrToInterface(code *encoder.Opcode, p uintptr) interface{} {
-	return *(*interface{})(unsafe.Pointer(&emptyInterface{
-		typ: code.Type,
-		ptr: *(*unsafe.Pointer)(unsafe.Pointer(&p)),
-	}))
-}
-
-func appendBool(b []byte, v bool) []byte {
-	if v {
-		return append(b, "true"...)
-	}
-	return append(b, "false"...)
-}
-
-func appendNull(b []byte) []byte {
-	return append(b, "null"...)
-}
-
-func appendComma(b []byte) []byte {
-	return append(b, ',')
-}
-
-func appendColon(b []byte) []byte {
-	last := len(b) - 1
-	b[last] = ':'
-	return b
-}
-
-func appendMapKeyValue(_ *encoder.RuntimeContext, _ *encoder.Opcode, b, key, value []byte) []byte {
-	b = append(b, key...)
-	b[len(b)-1] = ':'
-	return append(b, value...)
-}
-
-func appendMapEnd(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte {
-	b[len(b)-1] = '}'
-	b = append(b, ',')
-	return b
-}
-
-func appendInterface(ctx *encoder.RuntimeContext, codeSet *encoder.OpcodeSet, opt encoder.Option, _ *encoder.Opcode, b []byte, iface *emptyInterface, ptrOffset uintptr) ([]byte, error) {
-	ctx.KeepRefs = append(ctx.KeepRefs, unsafe.Pointer(iface))
-	ifaceCodeSet, err := encoder.CompileToGetCodeSet(uintptr(unsafe.Pointer(iface.typ)))
-	if err != nil {
-		return nil, err
-	}
-
-	totalLength := uintptr(codeSet.CodeLength)
-	nextTotalLength := uintptr(ifaceCodeSet.CodeLength)
-
-	curlen := uintptr(len(ctx.Ptrs))
-	offsetNum := ptrOffset / uintptrSize
-
-	newLen := offsetNum + totalLength + nextTotalLength
-	if curlen < newLen {
-		ctx.Ptrs = append(ctx.Ptrs, make([]uintptr, newLen-curlen)...)
-	}
-	oldPtrs := ctx.Ptrs
-
-	newPtrs := ctx.Ptrs[(ptrOffset+totalLength*uintptrSize)/uintptrSize:]
-	newPtrs[0] = uintptr(iface.ptr)
-
-	ctx.Ptrs = newPtrs
-
-	bb, err := Run(ctx, b, ifaceCodeSet, opt)
-	if err != nil {
-		return nil, err
-	}
-
-	ctx.Ptrs = oldPtrs
-	return bb, nil
-}
-
-func appendMarshalJSON(ctx *encoder.RuntimeContext, code *encoder.Opcode, b []byte, v interface{}) ([]byte, error) {
-	return encoder.AppendMarshalJSON(ctx, code, b, v, false)
-}
-
-func appendMarshalText(code *encoder.Opcode, b []byte, v interface{}) ([]byte, error) {
-	return encoder.AppendMarshalText(code, b, v, false)
-}
-
-func appendArrayHead(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte {
-	return append(b, '[')
-}
-
-func appendArrayEnd(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte {
-	last := len(b) - 1
-	b[last] = ']'
-	return append(b, ',')
-}
-
-func appendEmptyArray(b []byte) []byte {
-	return append(b, '[', ']', ',')
-}
-
-func appendEmptyObject(b []byte) []byte {
-	return append(b, '{', '}', ',')
-}
-
-func appendObjectEnd(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte {
-	last := len(b) - 1
-	b[last] = '}'
-	return append(b, ',')
-}
-
-func appendStructHead(b []byte) []byte {
-	return append(b, '{')
-}
-
-func appendStructKey(_ *encoder.RuntimeContext, code *encoder.Opcode, b []byte) []byte {
-	return append(b, code.Key...)
-}
-
-func appendStructEnd(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte {
-	return append(b, '}', ',')
-}
-
-func appendStructEndSkipLast(ctx *encoder.RuntimeContext, code *encoder.Opcode, b []byte) []byte {
-	last := len(b) - 1
-	if b[last] == ',' {
-		b[last] = '}'
-		return appendComma(b)
-	}
-	return appendStructEnd(ctx, code, b)
-}
-
-func restoreIndent(_ *encoder.RuntimeContext, _ *encoder.Opcode, _ uintptr)               {}
-func storeIndent(_ uintptr, _ *encoder.Opcode, _ uintptr)                                 {}
-func appendMapKeyIndent(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte    { return b }
-func appendArrayElemIndent(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte { return b }
diff --git a/internal/encoder/vm_debug/vm.go b/internal/encoder/vm_debug/vm.go
deleted file mode 100644
index 4f344df..0000000
--- a/internal/encoder/vm_debug/vm.go
+++ /dev/null
@@ -1,5012 +0,0 @@
-package vm_debug
-
-import (
-	"fmt"
-	"math"
-	"sort"
-	"unsafe"
-
-	"github.com/goccy/go-json/internal/encoder"
-)
-
-func Run(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet, opt encoder.Option) ([]byte, error) {
-	recursiveLevel := 0
-	ptrOffset := uintptr(0)
-	ctxptr := ctx.Ptr()
-	code := codeSet.Code
-
-	defer func() {
-		if err := recover(); err != nil {
-			fmt.Println("=============[DEBUG]===============")
-			fmt.Println("* [TYPE]")
-			fmt.Println(codeSet.Type)
-			fmt.Printf("\n")
-			fmt.Println("* [ALL OPCODE]")
-			fmt.Println(codeSet.Code.Dump())
-			fmt.Printf("\n")
-			fmt.Println("* [CURRENT OPCODE]")
-			fmt.Printf("%+v\n", code)
-			fmt.Printf("\n")
-			fmt.Println("* [CONTEXT]")
-			fmt.Printf("%+v\n", ctx)
-			fmt.Println("===================================")
-			panic(err)
-		}
-	}()
-
-	for {
-		switch code.Op {
-		default:
-			return nil, errUnimplementedOp(code.Op)
-		case encoder.OpPtr:
-			p := load(ctxptr, code.Idx)
-			code = code.Next
-			store(ctxptr, code.Idx, ptrToPtr(p))
-		case encoder.OpIntPtr:
-			p := loadNPtr(ctxptr, code.Idx, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.Next
-				break
-			}
-			store(ctxptr, code.Idx, p)
-			fallthrough
-		case encoder.OpInt:
-			b = appendInt(b, ptrToUint64(load(ctxptr, code.Idx)), code)
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpUintPtr:
-			p := loadNPtr(ctxptr, code.Idx, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.Next
-				break
-			}
-			store(ctxptr, code.Idx, p)
-			fallthrough
-		case encoder.OpUint:
-			b = appendUint(b, ptrToUint64(load(ctxptr, code.Idx)), code)
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpIntString:
-			b = append(b, '"')
-			b = appendInt(b, ptrToUint64(load(ctxptr, code.Idx)), code)
-			b = append(b, '"')
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpUintString:
-			b = append(b, '"')
-			b = appendUint(b, ptrToUint64(load(ctxptr, code.Idx)), code)
-			b = append(b, '"')
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpFloat32Ptr:
-			p := loadNPtr(ctxptr, code.Idx, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.Next
-				break
-			}
-			store(ctxptr, code.Idx, p)
-			fallthrough
-		case encoder.OpFloat32:
-			b = appendFloat32(b, ptrToFloat32(load(ctxptr, code.Idx)))
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpFloat64Ptr:
-			p := loadNPtr(ctxptr, code.Idx, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.Next
-				break
-			}
-			store(ctxptr, code.Idx, p)
-			fallthrough
-		case encoder.OpFloat64:
-			v := ptrToFloat64(load(ctxptr, code.Idx))
-			if math.IsInf(v, 0) || math.IsNaN(v) {
-				return nil, errUnsupportedFloat(v)
-			}
-			b = appendFloat64(b, v)
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStringPtr:
-			p := loadNPtr(ctxptr, code.Idx, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.Next
-				break
-			}
-			store(ctxptr, code.Idx, p)
-			fallthrough
-		case encoder.OpString:
-			b = appendString(b, ptrToString(load(ctxptr, code.Idx)))
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpBoolPtr:
-			p := loadNPtr(ctxptr, code.Idx, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.Next
-				break
-			}
-			store(ctxptr, code.Idx, p)
-			fallthrough
-		case encoder.OpBool:
-			b = appendBool(b, ptrToBool(load(ctxptr, code.Idx)))
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpBytesPtr:
-			p := loadNPtr(ctxptr, code.Idx, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.Next
-				break
-			}
-			store(ctxptr, code.Idx, p)
-			fallthrough
-		case encoder.OpBytes:
-			b = appendByteSlice(b, ptrToBytes(load(ctxptr, code.Idx)))
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpNumberPtr:
-			p := loadNPtr(ctxptr, code.Idx, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.Next
-				break
-			}
-			store(ctxptr, code.Idx, p)
-			fallthrough
-		case encoder.OpNumber:
-			bb, err := appendNumber(b, ptrToNumber(load(ctxptr, code.Idx)))
-			if err != nil {
-				return nil, err
-			}
-			b = appendComma(bb)
-			code = code.Next
-		case encoder.OpInterfacePtr:
-			p := loadNPtr(ctxptr, code.Idx, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.Next
-				break
-			}
-			store(ctxptr, code.Idx, p)
-			fallthrough
-		case encoder.OpInterface:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.Next
-				break
-			}
-			for _, seen := range ctx.SeenPtr {
-				if p == seen {
-					return nil, errUnsupportedValue(code, p)
-				}
-			}
-			ctx.SeenPtr = append(ctx.SeenPtr, p)
-			iface := (*emptyInterface)(ptrToUnsafePtr(p))
-			if iface.ptr == nil {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.Next
-				break
-			}
-			bb, err := appendInterface(ctx, codeSet, opt, code, b, iface, ptrOffset)
-			if err != nil {
-				return nil, err
-			}
-			ctxptr = ctx.Ptr()
-			ctx.SeenPtr = ctx.SeenPtr[:len(ctx.SeenPtr)-1]
-
-			b = bb
-			code = code.Next
-		case encoder.OpMarshalJSONPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToPtr(p))
-			fallthrough
-		case encoder.OpMarshalJSON:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.Next
-				break
-			}
-			if code.IsNilableType && code.Indirect {
-				p = ptrToPtr(p)
-			}
-			bb, err := appendMarshalJSON(ctx, code, b, ptrToInterface(code, p))
-			if err != nil {
-				return nil, err
-			}
-			b = appendComma(bb)
-			code = code.Next
-		case encoder.OpMarshalTextPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToPtr(p))
-			fallthrough
-		case encoder.OpMarshalText:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				b = append(b, `""`...)
-				b = appendComma(b)
-				code = code.Next
-				break
-			}
-			if code.IsNilableType && code.Indirect {
-				p = ptrToPtr(p)
-			}
-			bb, err := appendMarshalText(code, b, ptrToInterface(code, p))
-			if err != nil {
-				return nil, err
-			}
-			b = appendComma(bb)
-			code = code.Next
-		case encoder.OpSlicePtr:
-			p := loadNPtr(ctxptr, code.Idx, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, p)
-			fallthrough
-		case encoder.OpSlice:
-			p := load(ctxptr, code.Idx)
-			slice := ptrToSlice(p)
-			if p == 0 || slice.Data == nil {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.ElemIdx, 0)
-			store(ctxptr, code.Length, uintptr(slice.Len))
-			store(ctxptr, code.Idx, uintptr(slice.Data))
-			if slice.Len > 0 {
-				b = appendArrayHead(ctx, code, b)
-				code = code.Next
-				store(ctxptr, code.Idx, uintptr(slice.Data))
-			} else {
-				b = appendEmptyArray(b)
-				code = code.End.Next
-			}
-		case encoder.OpSliceElem:
-			idx := load(ctxptr, code.ElemIdx)
-			length := load(ctxptr, code.Length)
-			idx++
-			if idx < length {
-				b = appendArrayElemIndent(ctx, code, b)
-				store(ctxptr, code.ElemIdx, idx)
-				data := load(ctxptr, code.HeadIdx)
-				size := code.Size
-				code = code.Next
-				store(ctxptr, code.Idx, data+idx*size)
-			} else {
-				b = appendArrayEnd(ctx, code, b)
-				code = code.End.Next
-			}
-		case encoder.OpArrayPtr:
-			p := loadNPtr(ctxptr, code.Idx, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, p)
-			fallthrough
-		case encoder.OpArray:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.End.Next
-				break
-			}
-			if code.Length > 0 {
-				b = appendArrayHead(ctx, code, b)
-				store(ctxptr, code.ElemIdx, 0)
-				code = code.Next
-				store(ctxptr, code.Idx, p)
-			} else {
-				b = appendEmptyArray(b)
-				code = code.End.Next
-			}
-		case encoder.OpArrayElem:
-			idx := load(ctxptr, code.ElemIdx)
-			idx++
-			if idx < code.Length {
-				b = appendArrayElemIndent(ctx, code, b)
-				store(ctxptr, code.ElemIdx, idx)
-				p := load(ctxptr, code.HeadIdx)
-				size := code.Size
-				code = code.Next
-				store(ctxptr, code.Idx, p+idx*size)
-			} else {
-				b = appendArrayEnd(ctx, code, b)
-				code = code.End.Next
-			}
-		case encoder.OpMapPtr:
-			p := loadNPtr(ctxptr, code.Idx, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, p)
-			fallthrough
-		case encoder.OpMap:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.End.Next
-				break
-			}
-			uptr := ptrToUnsafePtr(p)
-			mlen := maplen(uptr)
-			if mlen <= 0 {
-				b = appendEmptyObject(b)
-				code = code.End.Next
-				break
-			}
-			b = appendStructHead(b)
-			iter := mapiterinit(code.Type, uptr)
-			ctx.KeepRefs = append(ctx.KeepRefs, iter)
-			store(ctxptr, code.ElemIdx, 0)
-			store(ctxptr, code.Length, uintptr(mlen))
-			store(ctxptr, code.MapIter, uintptr(iter))
-			if (opt & encoder.UnorderedMapOption) == 0 {
-				mapCtx := encoder.NewMapContext(mlen)
-				mapCtx.Pos = append(mapCtx.Pos, len(b))
-				ctx.KeepRefs = append(ctx.KeepRefs, unsafe.Pointer(mapCtx))
-				store(ctxptr, code.End.MapPos, uintptr(unsafe.Pointer(mapCtx)))
-			} else {
-				b = appendMapKeyIndent(ctx, code.Next, b)
-			}
-			key := mapiterkey(iter)
-			store(ctxptr, code.Next.Idx, uintptr(key))
-			code = code.Next
-		case encoder.OpMapKey:
-			idx := load(ctxptr, code.ElemIdx)
-			length := load(ctxptr, code.Length)
-			idx++
-			if (opt & encoder.UnorderedMapOption) != 0 {
-				if idx < length {
-					b = appendMapKeyIndent(ctx, code, b)
-					store(ctxptr, code.ElemIdx, idx)
-					ptr := load(ctxptr, code.MapIter)
-					iter := ptrToUnsafePtr(ptr)
-					key := mapiterkey(iter)
-					store(ctxptr, code.Next.Idx, uintptr(key))
-					code = code.Next
-				} else {
-					b = appendObjectEnd(ctx, code, b)
-					code = code.End.Next
-				}
-			} else {
-				ptr := load(ctxptr, code.End.MapPos)
-				mapCtx := (*encoder.MapContext)(ptrToUnsafePtr(ptr))
-				mapCtx.Pos = append(mapCtx.Pos, len(b))
-				if idx < length {
-					ptr := load(ctxptr, code.MapIter)
-					iter := ptrToUnsafePtr(ptr)
-					store(ctxptr, code.ElemIdx, idx)
-					key := mapiterkey(iter)
-					store(ctxptr, code.Next.Idx, uintptr(key))
-					code = code.Next
-				} else {
-					code = code.End
-				}
-			}
-		case encoder.OpMapValue:
-			if (opt & encoder.UnorderedMapOption) != 0 {
-				b = appendColon(b)
-			} else {
-				ptr := load(ctxptr, code.End.MapPos)
-				mapCtx := (*encoder.MapContext)(ptrToUnsafePtr(ptr))
-				mapCtx.Pos = append(mapCtx.Pos, len(b))
-			}
-			ptr := load(ctxptr, code.MapIter)
-			iter := ptrToUnsafePtr(ptr)
-			value := mapitervalue(iter)
-			store(ctxptr, code.Next.Idx, uintptr(value))
-			mapiternext(iter)
-			code = code.Next
-		case encoder.OpMapEnd:
-			// this operation only used by sorted map.
-			length := int(load(ctxptr, code.Length))
-			ptr := load(ctxptr, code.MapPos)
-			mapCtx := (*encoder.MapContext)(ptrToUnsafePtr(ptr))
-			pos := mapCtx.Pos
-			for i := 0; i < length; i++ {
-				startKey := pos[i*2]
-				startValue := pos[i*2+1]
-				var endValue int
-				if i+1 < length {
-					endValue = pos[i*2+2]
-				} else {
-					endValue = len(b)
-				}
-				mapCtx.Slice.Items = append(mapCtx.Slice.Items, encoder.MapItem{
-					Key:   b[startKey:startValue],
-					Value: b[startValue:endValue],
-				})
-			}
-			sort.Sort(mapCtx.Slice)
-			buf := mapCtx.Buf
-			for _, item := range mapCtx.Slice.Items {
-				buf = appendMapKeyValue(ctx, code, buf, item.Key, item.Value)
-			}
-			buf = appendMapEnd(ctx, code, buf)
-			b = b[:pos[0]]
-			b = append(b, buf...)
-			mapCtx.Buf = buf
-			encoder.ReleaseMapContext(mapCtx)
-			code = code.Next
-		case encoder.OpRecursivePtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				code = code.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpRecursive:
-			ptr := load(ctxptr, code.Idx)
-			if ptr != 0 {
-				if recursiveLevel > encoder.StartDetectingCyclesAfter {
-					for _, seen := range ctx.SeenPtr {
-						if ptr == seen {
-							return nil, errUnsupportedValue(code, ptr)
-						}
-					}
-				}
-			}
-			ctx.SeenPtr = append(ctx.SeenPtr, ptr)
-			c := code.Jmp.Code
-			curlen := uintptr(len(ctx.Ptrs))
-			offsetNum := ptrOffset / uintptrSize
-			oldOffset := ptrOffset
-			ptrOffset += code.Jmp.CurLen * uintptrSize
-			oldBaseIndent := ctx.BaseIndent
-			ctx.BaseIndent += code.Indent - 1
-
-			newLen := offsetNum + code.Jmp.CurLen + code.Jmp.NextLen
-			if curlen < newLen {
-				ctx.Ptrs = append(ctx.Ptrs, make([]uintptr, newLen-curlen)...)
-			}
-			ctxptr = ctx.Ptr() + ptrOffset // assign new ctxptr
-
-			store(ctxptr, c.Idx, ptr)
-			store(ctxptr, c.End.Next.Idx, oldOffset)
-			store(ctxptr, c.End.Next.ElemIdx, uintptr(unsafe.Pointer(code.Next)))
-			storeIndent(ctxptr, c, uintptr(oldBaseIndent))
-			code = c
-			recursiveLevel++
-		case encoder.OpRecursiveEnd:
-			recursiveLevel--
-
-			// restore ctxptr
-			restoreIndent(ctx, code, ctxptr)
-			offset := load(ctxptr, code.Idx)
-			ctx.SeenPtr = ctx.SeenPtr[:len(ctx.SeenPtr)-1]
-
-			codePtr := load(ctxptr, code.ElemIdx)
-			code = (*encoder.Opcode)(ptrToUnsafePtr(codePtr))
-			ctxptr = ctx.Ptr() + offset
-			ptrOffset = offset
-		case encoder.OpStructPtrHead:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHead:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && (code.Indirect || code.Next.Op == encoder.OpStructEnd) {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if !code.AnonymousKey && len(code.Key) > 0 {
-				b = appendStructKey(ctx, code, b)
-			}
-			p += code.Offset
-			code = code.Next
-			store(ctxptr, code.Idx, p)
-		case encoder.OpStructPtrHeadOmitEmpty:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmpty:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && (code.Indirect || code.Next.Op == encoder.OpStructEnd) {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			p += code.Offset
-			if p == 0 || (ptrToPtr(p) == 0 && code.IsNextOpPtrType) {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				code = code.Next
-				store(ctxptr, code.Idx, p)
-			}
-		case encoder.OpStructPtrHeadInt:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadInt:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			b = appendInt(b, ptrToUint64(p+code.Offset), code)
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyInt:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyInt:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			u64 := ptrToUint64(p + code.Offset)
-			v := u64 & code.Mask
-			if v == 0 {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				b = appendInt(b, u64, code)
-				b = appendComma(b)
-				code = code.Next
-			}
-		case encoder.OpStructPtrHeadIntString:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadIntString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			b = append(b, '"')
-			b = appendInt(b, ptrToUint64(p+code.Offset), code)
-			b = append(b, '"')
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyIntString:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyIntString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			u64 := ptrToUint64(p + code.Offset)
-			v := u64 & code.Mask
-			if v == 0 {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendInt(b, u64, code)
-				b = append(b, '"')
-				b = appendComma(b)
-				code = code.Next
-			}
-		case encoder.OpStructPtrHeadIntPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadIntPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendInt(b, ptrToUint64(p), code)
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyIntPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyIntPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendInt(b, ptrToUint64(p), code)
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructPtrHeadIntPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadIntPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = append(b, '"')
-				b = appendInt(b, ptrToUint64(p), code)
-				b = append(b, '"')
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyIntPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyIntPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendInt(b, ptrToUint64(p), code)
-				b = append(b, '"')
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructPtrHeadUint:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadUint:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			b = appendUint(b, ptrToUint64(p+code.Offset), code)
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyUint:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyUint:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			u64 := ptrToUint64(p + code.Offset)
-			v := u64 & code.Mask
-			if v == 0 {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				b = appendUint(b, u64, code)
-				b = appendComma(b)
-				code = code.Next
-			}
-		case encoder.OpStructPtrHeadUintString:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadUintString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			b = append(b, '"')
-			b = appendUint(b, ptrToUint64(p+code.Offset), code)
-			b = append(b, '"')
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyUintString:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyUintString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			u64 := ptrToUint64(p + code.Offset)
-			v := u64 & code.Mask
-			if v == 0 {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendUint(b, u64, code)
-				b = append(b, '"')
-				b = appendComma(b)
-				code = code.Next
-			}
-		case encoder.OpStructPtrHeadUintPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadUintPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendUint(b, ptrToUint64(p), code)
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyUintPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyUintPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendUint(b, ptrToUint64(p), code)
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructPtrHeadUintPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadUintPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = append(b, '"')
-				b = appendUint(b, ptrToUint64(p), code)
-				b = append(b, '"')
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyUintPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyUintPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendUint(b, ptrToUint64(p), code)
-				b = append(b, '"')
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructPtrHeadFloat32:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadFloat32:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			b = appendFloat32(b, ptrToFloat32(p+code.Offset))
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyFloat32:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyFloat32:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			v := ptrToFloat32(p + code.Offset)
-			if v == 0 {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				b = appendFloat32(b, v)
-				b = appendComma(b)
-				code = code.Next
-			}
-		case encoder.OpStructPtrHeadFloat32String:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadFloat32String:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			b = append(b, '"')
-			b = appendFloat32(b, ptrToFloat32(p+code.Offset))
-			b = append(b, '"')
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyFloat32String:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyFloat32String:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			v := ptrToFloat32(p + code.Offset)
-			if v == 0 {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendFloat32(b, v)
-				b = append(b, '"')
-				b = appendComma(b)
-				code = code.Next
-			}
-		case encoder.OpStructPtrHeadFloat32Ptr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadFloat32Ptr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendFloat32(b, ptrToFloat32(p))
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyFloat32Ptr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyFloat32Ptr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendFloat32(b, ptrToFloat32(p))
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructPtrHeadFloat32PtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadFloat32PtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = append(b, '"')
-				b = appendFloat32(b, ptrToFloat32(p))
-				b = append(b, '"')
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyFloat32PtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyFloat32PtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendFloat32(b, ptrToFloat32(p))
-				b = append(b, '"')
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructPtrHeadFloat64:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadFloat64:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			v := ptrToFloat64(p + code.Offset)
-			if math.IsInf(v, 0) || math.IsNaN(v) {
-				return nil, errUnsupportedFloat(v)
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			b = appendFloat64(b, v)
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyFloat64:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyFloat64:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			v := ptrToFloat64(p + code.Offset)
-			if v == 0 {
-				code = code.NextField
-			} else {
-				if math.IsInf(v, 0) || math.IsNaN(v) {
-					return nil, errUnsupportedFloat(v)
-				}
-				b = appendStructKey(ctx, code, b)
-				b = appendFloat64(b, v)
-				b = appendComma(b)
-				code = code.Next
-			}
-		case encoder.OpStructPtrHeadFloat64String:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadFloat64String:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			v := ptrToFloat64(p + code.Offset)
-			if math.IsInf(v, 0) || math.IsNaN(v) {
-				return nil, errUnsupportedFloat(v)
-			}
-			b = appendStructKey(ctx, code, b)
-			b = append(b, '"')
-			b = appendFloat64(b, v)
-			b = append(b, '"')
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyFloat64String:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyFloat64String:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			v := ptrToFloat64(p + code.Offset)
-			if v == 0 {
-				code = code.NextField
-			} else {
-				if math.IsInf(v, 0) || math.IsNaN(v) {
-					return nil, errUnsupportedFloat(v)
-				}
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendFloat64(b, v)
-				b = append(b, '"')
-				b = appendComma(b)
-				code = code.Next
-			}
-		case encoder.OpStructPtrHeadFloat64Ptr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadFloat64Ptr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				v := ptrToFloat64(p)
-				if math.IsInf(v, 0) || math.IsNaN(v) {
-					return nil, errUnsupportedFloat(v)
-				}
-				b = appendFloat64(b, v)
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyFloat64Ptr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyFloat64Ptr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				v := ptrToFloat64(p)
-				if math.IsInf(v, 0) || math.IsNaN(v) {
-					return nil, errUnsupportedFloat(v)
-				}
-				b = appendFloat64(b, v)
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructPtrHeadFloat64PtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadFloat64PtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = append(b, '"')
-				v := ptrToFloat64(p)
-				if math.IsInf(v, 0) || math.IsNaN(v) {
-					return nil, errUnsupportedFloat(v)
-				}
-				b = appendFloat64(b, v)
-				b = append(b, '"')
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyFloat64PtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyFloat64PtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				v := ptrToFloat64(p)
-				if math.IsInf(v, 0) || math.IsNaN(v) {
-					return nil, errUnsupportedFloat(v)
-				}
-				b = appendFloat64(b, v)
-				b = append(b, '"')
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructPtrHeadString:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			b = appendString(b, ptrToString(p+code.Offset))
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyString:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			v := ptrToString(p + code.Offset)
-			if v == "" {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				b = appendString(b, v)
-				b = appendComma(b)
-				code = code.Next
-			}
-		case encoder.OpStructPtrHeadStringString:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadStringString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			b = appendString(b, string(appendString([]byte{}, ptrToString(p+code.Offset))))
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyStringString:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyStringString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			v := ptrToString(p + code.Offset)
-			if v == "" {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				b = appendString(b, string(appendString([]byte{}, v)))
-				b = appendComma(b)
-				code = code.Next
-			}
-		case encoder.OpStructPtrHeadStringPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadStringPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendString(b, ptrToString(p))
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyStringPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyStringPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendString(b, ptrToString(p))
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructPtrHeadStringPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadStringPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendString(b, string(appendString([]byte{}, ptrToString(p))))
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyStringPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyStringPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendString(b, string(appendString([]byte{}, ptrToString(p))))
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructPtrHeadBool:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadBool:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			b = appendBool(b, ptrToBool(p+code.Offset))
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyBool:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyBool:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			v := ptrToBool(p + code.Offset)
-			if v {
-				b = appendStructKey(ctx, code, b)
-				b = appendBool(b, v)
-				b = appendComma(b)
-				code = code.Next
-			} else {
-				code = code.NextField
-			}
-		case encoder.OpStructPtrHeadBoolString:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadBoolString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			b = append(b, '"')
-			b = appendBool(b, ptrToBool(p+code.Offset))
-			b = append(b, '"')
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyBoolString:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyBoolString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			v := ptrToBool(p + code.Offset)
-			if v {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendBool(b, v)
-				b = append(b, '"')
-				b = appendComma(b)
-				code = code.Next
-			} else {
-				code = code.NextField
-			}
-		case encoder.OpStructPtrHeadBoolPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadBoolPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendBool(b, ptrToBool(p))
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyBoolPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyBoolPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendBool(b, ptrToBool(p))
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructPtrHeadBoolPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadBoolPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = append(b, '"')
-				b = appendBool(b, ptrToBool(p))
-				b = append(b, '"')
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyBoolPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyBoolPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendBool(b, ptrToBool(p))
-				b = append(b, '"')
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructPtrHeadBytes:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadBytes:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			b = appendByteSlice(b, ptrToBytes(p+code.Offset))
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyBytes:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyBytes:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			v := ptrToBytes(p + code.Offset)
-			if len(v) == 0 {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				b = appendByteSlice(b, v)
-				b = appendComma(b)
-				code = code.Next
-			}
-		case encoder.OpStructPtrHeadBytesPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadBytesPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendByteSlice(b, ptrToBytes(p))
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyBytesPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyBytesPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendByteSlice(b, ptrToBytes(p))
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructPtrHeadNumber:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadNumber:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			bb, err := appendNumber(b, ptrToNumber(p+code.Offset))
-			if err != nil {
-				return nil, err
-			}
-			b = appendComma(bb)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyNumber:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyNumber:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			v := ptrToNumber(p + code.Offset)
-			if v == "" {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				bb, err := appendNumber(b, v)
-				if err != nil {
-					return nil, err
-				}
-				b = appendComma(bb)
-				code = code.Next
-			}
-		case encoder.OpStructPtrHeadNumberString:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadNumberString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			b = append(b, '"')
-			bb, err := appendNumber(b, ptrToNumber(p+code.Offset))
-			if err != nil {
-				return nil, err
-			}
-			b = append(bb, '"')
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyNumberString:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyNumberString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			v := ptrToNumber(p + code.Offset)
-			if v == "" {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				bb, err := appendNumber(b, v)
-				if err != nil {
-					return nil, err
-				}
-				b = append(bb, '"')
-				b = appendComma(b)
-				code = code.Next
-			}
-		case encoder.OpStructPtrHeadNumberPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadNumberPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				bb, err := appendNumber(b, ptrToNumber(p))
-				if err != nil {
-					return nil, err
-				}
-				b = bb
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyNumberPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyNumberPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				bb, err := appendNumber(b, ptrToNumber(p))
-				if err != nil {
-					return nil, err
-				}
-				b = appendComma(bb)
-			}
-			code = code.Next
-		case encoder.OpStructPtrHeadNumberPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadNumberPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = append(b, '"')
-				bb, err := appendNumber(b, ptrToNumber(p))
-				if err != nil {
-					return nil, err
-				}
-				b = append(bb, '"')
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyNumberPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyNumberPtrString:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				bb, err := appendNumber(b, ptrToNumber(p))
-				if err != nil {
-					return nil, err
-				}
-				b = append(bb, '"')
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructPtrHeadArray, encoder.OpStructPtrHeadSlice:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadArray, encoder.OpStructHeadSlice:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			p += code.Offset
-			code = code.Next
-			store(ctxptr, code.Idx, p)
-		case encoder.OpStructPtrHeadOmitEmptyArray:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyArray:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			p += code.Offset
-			b = appendStructKey(ctx, code, b)
-			code = code.Next
-			store(ctxptr, code.Idx, p)
-		case encoder.OpStructPtrHeadOmitEmptySlice:
-			if code.Indirect {
-				p := load(ctxptr, code.Idx)
-				if p == 0 {
-					if !code.AnonymousHead {
-						b = appendNull(b)
-						b = appendComma(b)
-					}
-					code = code.End.Next
-					break
-				}
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptySlice:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			p += code.Offset
-			slice := ptrToSlice(p)
-			if slice.Len == 0 {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				code = code.Next
-				store(ctxptr, code.Idx, p)
-			}
-		case encoder.OpStructPtrHeadArrayPtr, encoder.OpStructPtrHeadSlicePtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadArrayPtr, encoder.OpStructHeadSlicePtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.NextField
-			} else {
-				code = code.Next
-				store(ctxptr, code.Idx, p)
-			}
-		case encoder.OpStructPtrHeadOmitEmptyArrayPtr, encoder.OpStructPtrHeadOmitEmptySlicePtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyArrayPtr, encoder.OpStructHeadOmitEmptySlicePtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				code = code.Next
-				store(ctxptr, code.Idx, p)
-			}
-		case encoder.OpStructPtrHeadMap:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadMap:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if p != 0 && code.Indirect {
-				p = ptrToPtr(p + code.Offset)
-			}
-			code = code.Next
-			store(ctxptr, code.Idx, p)
-		case encoder.OpStructPtrHeadOmitEmptyMap:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyMap:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if p != 0 && code.Indirect {
-				p = ptrToPtr(p + code.Offset)
-			}
-			if maplen(ptrToUnsafePtr(p)) == 0 {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				code = code.Next
-				store(ctxptr, code.Idx, p)
-			}
-		case encoder.OpStructPtrHeadMapPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadMapPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.NextField
-				break
-			}
-			p = ptrToPtr(p + code.Offset)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.NextField
-			} else {
-				if code.Indirect {
-					p = ptrToNPtr(p, code.PtrNum)
-				}
-				code = code.Next
-				store(ctxptr, code.Idx, p)
-			}
-		case encoder.OpStructPtrHeadOmitEmptyMapPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyMapPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if p == 0 {
-				code = code.NextField
-				break
-			}
-			p = ptrToPtr(p + code.Offset)
-			if p == 0 {
-				code = code.NextField
-			} else {
-				if code.Indirect {
-					p = ptrToNPtr(p, code.PtrNum)
-				}
-				b = appendStructKey(ctx, code, b)
-				code = code.Next
-				store(ctxptr, code.Idx, p)
-			}
-		case encoder.OpStructPtrHeadMarshalJSON:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if code.Indirect {
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadMarshalJSON:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.IsNilableType {
-				if code.Indirect || code.Op == encoder.OpStructPtrHeadMarshalJSON {
-					p = ptrToPtr(p + code.Offset)
-				}
-			}
-			if p == 0 && code.Nilcheck {
-				b = appendNull(b)
-			} else {
-				bb, err := appendMarshalJSON(ctx, code, b, ptrToInterface(code, p))
-				if err != nil {
-					return nil, err
-				}
-				b = bb
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyMarshalJSON:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if code.Indirect {
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyMarshalJSON:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if code.IsNilableType {
-				if code.Indirect || code.Op == encoder.OpStructPtrHeadOmitEmptyMarshalJSON {
-					p = ptrToPtr(p + code.Offset)
-				}
-			}
-			iface := ptrToInterface(code, p)
-			if code.Nilcheck && encoder.IsNilForMarshaler(iface) {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				bb, err := appendMarshalJSON(ctx, code, b, iface)
-				if err != nil {
-					return nil, err
-				}
-				b = bb
-				b = appendComma(b)
-				code = code.Next
-			}
-		case encoder.OpStructPtrHeadMarshalJSONPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadMarshalJSONPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				bb, err := appendMarshalJSON(ctx, code, b, ptrToInterface(code, p))
-				if err != nil {
-					return nil, err
-				}
-				b = bb
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyMarshalJSONPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyMarshalJSONPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if p == 0 {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				bb, err := appendMarshalJSON(ctx, code, b, ptrToInterface(code, p))
-				if err != nil {
-					return nil, err
-				}
-				b = bb
-				b = appendComma(b)
-				code = code.Next
-			}
-		case encoder.OpStructPtrHeadMarshalText:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if code.Indirect {
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadMarshalText:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.IsNilableType {
-				if code.Indirect || code.Op == encoder.OpStructPtrHeadMarshalText {
-					p = ptrToPtr(p + code.Offset)
-				}
-			}
-			if p == 0 && code.Nilcheck {
-				b = appendNull(b)
-			} else {
-				bb, err := appendMarshalText(code, b, ptrToInterface(code, p))
-				if err != nil {
-					return nil, err
-				}
-				b = bb
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyMarshalText:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if code.Indirect {
-				store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			}
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyMarshalText:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if code.IsNilableType {
-				if code.Indirect || code.Op == encoder.OpStructPtrHeadOmitEmptyMarshalText {
-					p = ptrToPtr(p + code.Offset)
-				}
-			}
-			if p == 0 && code.Nilcheck {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				bb, err := appendMarshalText(code, b, ptrToInterface(code, p))
-				if err != nil {
-					return nil, err
-				}
-				b = bb
-				b = appendComma(b)
-				code = code.Next
-			}
-		case encoder.OpStructPtrHeadMarshalTextPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadMarshalTextPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			b = appendStructKey(ctx, code, b)
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				bb, err := appendMarshalText(code, b, ptrToInterface(code, p))
-				if err != nil {
-					return nil, err
-				}
-				b = bb
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructPtrHeadOmitEmptyMarshalTextPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			store(ctxptr, code.Idx, ptrToNPtr(p, code.PtrNum))
-			fallthrough
-		case encoder.OpStructHeadOmitEmptyMarshalTextPtr:
-			p := load(ctxptr, code.Idx)
-			if p == 0 && code.Indirect {
-				if !code.AnonymousHead {
-					b = appendNull(b)
-					b = appendComma(b)
-				}
-				code = code.End.Next
-				break
-			}
-			if code.Indirect {
-				p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			}
-			if !code.AnonymousHead {
-				b = appendStructHead(b)
-			}
-			if p == 0 {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				bb, err := appendMarshalText(code, b, ptrToInterface(code, p))
-				if err != nil {
-					return nil, err
-				}
-				b = bb
-				b = appendComma(b)
-				code = code.Next
-			}
-		case encoder.OpStructField:
-			if !code.AnonymousKey {
-				b = appendStructKey(ctx, code, b)
-			}
-			p := load(ctxptr, code.HeadIdx) + code.Offset
-			code = code.Next
-			store(ctxptr, code.Idx, p)
-		case encoder.OpStructFieldOmitEmpty:
-			p := load(ctxptr, code.HeadIdx)
-			p += code.Offset
-			if ptrToPtr(p) == 0 && code.IsNextOpPtrType {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				code = code.Next
-				store(ctxptr, code.Idx, p)
-			}
-		case encoder.OpStructFieldInt:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = appendInt(b, ptrToUint64(p+code.Offset), code)
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyInt:
-			p := load(ctxptr, code.HeadIdx)
-			u64 := ptrToUint64(p + code.Offset)
-			v := u64 & code.Mask
-			if v != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendInt(b, u64, code)
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldIntString:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = append(b, '"')
-			b = appendInt(b, ptrToUint64(p+code.Offset), code)
-			b = append(b, '"')
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyIntString:
-			p := load(ctxptr, code.HeadIdx)
-			u64 := ptrToUint64(p + code.Offset)
-			v := u64 & code.Mask
-			if v != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendInt(b, u64, code)
-				b = append(b, '"')
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldIntPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			b = appendStructKey(ctx, code, b)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendInt(b, ptrToUint64(p), code)
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyIntPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendInt(b, ptrToUint64(p), code)
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldIntPtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			b = appendStructKey(ctx, code, b)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = append(b, '"')
-				b = appendInt(b, ptrToUint64(p), code)
-				b = append(b, '"')
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyIntPtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendInt(b, ptrToUint64(p), code)
-				b = append(b, '"')
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldUint:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = appendUint(b, ptrToUint64(p+code.Offset), code)
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyUint:
-			p := load(ctxptr, code.HeadIdx)
-			u64 := ptrToUint64(p + code.Offset)
-			v := u64 & code.Mask
-			if v != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendUint(b, u64, code)
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldUintString:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = append(b, '"')
-			b = appendUint(b, ptrToUint64(p+code.Offset), code)
-			b = append(b, '"')
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyUintString:
-			p := load(ctxptr, code.HeadIdx)
-			u64 := ptrToUint64(p + code.Offset)
-			v := u64 & code.Mask
-			if v != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendUint(b, u64, code)
-				b = append(b, '"')
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldUintPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			b = appendStructKey(ctx, code, b)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendUint(b, ptrToUint64(p), code)
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyUintPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendUint(b, ptrToUint64(p), code)
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldUintPtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			b = appendStructKey(ctx, code, b)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = append(b, '"')
-				b = appendUint(b, ptrToUint64(p), code)
-				b = append(b, '"')
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyUintPtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendUint(b, ptrToUint64(p), code)
-				b = append(b, '"')
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldFloat32:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = appendFloat32(b, ptrToFloat32(p+code.Offset))
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyFloat32:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToFloat32(p + code.Offset)
-			if v != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendFloat32(b, v)
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldFloat32String:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = append(b, '"')
-			b = appendFloat32(b, ptrToFloat32(p+code.Offset))
-			b = append(b, '"')
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyFloat32String:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToFloat32(p + code.Offset)
-			if v != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendFloat32(b, v)
-				b = append(b, '"')
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldFloat32Ptr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			b = appendStructKey(ctx, code, b)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendFloat32(b, ptrToFloat32(p))
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyFloat32Ptr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendFloat32(b, ptrToFloat32(p))
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldFloat32PtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			b = appendStructKey(ctx, code, b)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = append(b, '"')
-				b = appendFloat32(b, ptrToFloat32(p))
-				b = append(b, '"')
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyFloat32PtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendFloat32(b, ptrToFloat32(p))
-				b = append(b, '"')
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldFloat64:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			v := ptrToFloat64(p + code.Offset)
-			if math.IsInf(v, 0) || math.IsNaN(v) {
-				return nil, errUnsupportedFloat(v)
-			}
-			b = appendFloat64(b, v)
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyFloat64:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToFloat64(p + code.Offset)
-			if v != 0 {
-				if math.IsInf(v, 0) || math.IsNaN(v) {
-					return nil, errUnsupportedFloat(v)
-				}
-				b = appendStructKey(ctx, code, b)
-				b = appendFloat64(b, v)
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldFloat64String:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToFloat64(p + code.Offset)
-			if math.IsInf(v, 0) || math.IsNaN(v) {
-				return nil, errUnsupportedFloat(v)
-			}
-			b = appendStructKey(ctx, code, b)
-			b = append(b, '"')
-			b = appendFloat64(b, v)
-			b = append(b, '"')
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyFloat64String:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToFloat64(p + code.Offset)
-			if v != 0 {
-				if math.IsInf(v, 0) || math.IsNaN(v) {
-					return nil, errUnsupportedFloat(v)
-				}
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendFloat64(b, v)
-				b = append(b, '"')
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldFloat64Ptr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			b = appendStructKey(ctx, code, b)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendComma(b)
-				code = code.Next
-				break
-			}
-			v := ptrToFloat64(p)
-			if math.IsInf(v, 0) || math.IsNaN(v) {
-				return nil, errUnsupportedFloat(v)
-			}
-			b = appendFloat64(b, v)
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyFloat64Ptr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				v := ptrToFloat64(p)
-				if math.IsInf(v, 0) || math.IsNaN(v) {
-					return nil, errUnsupportedFloat(v)
-				}
-				b = appendFloat64(b, v)
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldFloat64PtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			b = appendStructKey(ctx, code, b)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				v := ptrToFloat64(p)
-				if math.IsInf(v, 0) || math.IsNaN(v) {
-					return nil, errUnsupportedFloat(v)
-				}
-				b = append(b, '"')
-				b = appendFloat64(b, v)
-				b = append(b, '"')
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyFloat64PtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				v := ptrToFloat64(p)
-				if math.IsInf(v, 0) || math.IsNaN(v) {
-					return nil, errUnsupportedFloat(v)
-				}
-				b = appendFloat64(b, v)
-				b = append(b, '"')
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldString:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = appendString(b, ptrToString(p+code.Offset))
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyString:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToString(p + code.Offset)
-			if v != "" {
-				b = appendStructKey(ctx, code, b)
-				b = appendString(b, v)
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldStringString:
-			p := load(ctxptr, code.HeadIdx)
-			s := ptrToString(p + code.Offset)
-			b = appendStructKey(ctx, code, b)
-			b = appendString(b, string(appendString([]byte{}, s)))
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyStringString:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToString(p + code.Offset)
-			if v != "" {
-				b = appendStructKey(ctx, code, b)
-				b = appendString(b, string(appendString([]byte{}, v)))
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldStringPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			b = appendStructKey(ctx, code, b)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendString(b, ptrToString(p))
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyStringPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendString(b, ptrToString(p))
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldStringPtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			b = appendStructKey(ctx, code, b)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendString(b, string(appendString([]byte{}, ptrToString(p))))
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyStringPtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendString(b, string(appendString([]byte{}, ptrToString(p))))
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldBool:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = appendBool(b, ptrToBool(p+code.Offset))
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyBool:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToBool(p + code.Offset)
-			if v {
-				b = appendStructKey(ctx, code, b)
-				b = appendBool(b, v)
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldBoolString:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = append(b, '"')
-			b = appendBool(b, ptrToBool(p+code.Offset))
-			b = append(b, '"')
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyBoolString:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToBool(p + code.Offset)
-			if v {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendBool(b, v)
-				b = append(b, '"')
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldBoolPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			b = appendStructKey(ctx, code, b)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendBool(b, ptrToBool(p))
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyBoolPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendBool(b, ptrToBool(p))
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldBoolPtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			b = appendStructKey(ctx, code, b)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = append(b, '"')
-				b = appendBool(b, ptrToBool(p))
-				b = append(b, '"')
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyBoolPtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendBool(b, ptrToBool(p))
-				b = append(b, '"')
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldBytes:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = appendByteSlice(b, ptrToBytes(p+code.Offset))
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyBytes:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToBytes(p + code.Offset)
-			if len(v) > 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendByteSlice(b, v)
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldBytesPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			b = appendStructKey(ctx, code, b)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendByteSlice(b, ptrToBytes(p))
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyBytesPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendByteSlice(b, ptrToBytes(p))
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldNumber:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			bb, err := appendNumber(b, ptrToNumber(p+code.Offset))
-			if err != nil {
-				return nil, err
-			}
-			b = appendComma(bb)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyNumber:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToNumber(p + code.Offset)
-			if v != "" {
-				b = appendStructKey(ctx, code, b)
-				bb, err := appendNumber(b, v)
-				if err != nil {
-					return nil, err
-				}
-				b = appendComma(bb)
-			}
-			code = code.Next
-		case encoder.OpStructFieldNumberString:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = append(b, '"')
-			bb, err := appendNumber(b, ptrToNumber(p+code.Offset))
-			if err != nil {
-				return nil, err
-			}
-			b = append(bb, '"')
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyNumberString:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToNumber(p + code.Offset)
-			if v != "" {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				bb, err := appendNumber(b, v)
-				if err != nil {
-					return nil, err
-				}
-				b = append(bb, '"')
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldNumberPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			b = appendStructKey(ctx, code, b)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				bb, err := appendNumber(b, ptrToNumber(p))
-				if err != nil {
-					return nil, err
-				}
-				b = bb
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyNumberPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				bb, err := appendNumber(b, ptrToNumber(p))
-				if err != nil {
-					return nil, err
-				}
-				b = appendComma(bb)
-			}
-			code = code.Next
-		case encoder.OpStructFieldNumberPtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			b = appendStructKey(ctx, code, b)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = append(b, '"')
-				bb, err := appendNumber(b, ptrToNumber(p))
-				if err != nil {
-					return nil, err
-				}
-				b = append(bb, '"')
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyNumberPtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				bb, err := appendNumber(b, ptrToNumber(p))
-				if err != nil {
-					return nil, err
-				}
-				b = append(bb, '"')
-				b = appendComma(b)
-			}
-			code = code.Next
-		case encoder.OpStructFieldMarshalJSON:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			p += code.Offset
-			if code.IsNilableType {
-				p = ptrToPtr(p)
-			}
-			if p == 0 && code.Nilcheck {
-				b = appendNull(b)
-			} else {
-				bb, err := appendMarshalJSON(ctx, code, b, ptrToInterface(code, p))
-				if err != nil {
-					return nil, err
-				}
-				b = bb
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyMarshalJSON:
-			p := load(ctxptr, code.HeadIdx)
-			p += code.Offset
-			if code.IsNilableType {
-				p = ptrToPtr(p)
-			}
-			if p == 0 && code.Nilcheck {
-				code = code.NextField
-				break
-			}
-			iface := ptrToInterface(code, p)
-			if code.Nilcheck && encoder.IsNilForMarshaler(iface) {
-				code = code.NextField
-				break
-			}
-			b = appendStructKey(ctx, code, b)
-			bb, err := appendMarshalJSON(ctx, code, b, iface)
-			if err != nil {
-				return nil, err
-			}
-			b = appendComma(bb)
-			code = code.Next
-		case encoder.OpStructFieldMarshalJSONPtr:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				bb, err := appendMarshalJSON(ctx, code, b, ptrToInterface(code, p))
-				if err != nil {
-					return nil, err
-				}
-				b = bb
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyMarshalJSONPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				bb, err := appendMarshalJSON(ctx, code, b, ptrToInterface(code, p))
-				if err != nil {
-					return nil, err
-				}
-				b = appendComma(bb)
-			}
-			code = code.Next
-		case encoder.OpStructFieldMarshalText:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			p += code.Offset
-			if code.IsNilableType {
-				p = ptrToPtr(p)
-			}
-			if p == 0 && code.Nilcheck {
-				b = appendNull(b)
-			} else {
-				bb, err := appendMarshalText(code, b, ptrToInterface(code, p))
-				if err != nil {
-					return nil, err
-				}
-				b = bb
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyMarshalText:
-			p := load(ctxptr, code.HeadIdx)
-			p += code.Offset
-			if code.IsNilableType {
-				p = ptrToPtr(p)
-			}
-			if p == 0 && code.Nilcheck {
-				code = code.NextField
-				break
-			}
-			b = appendStructKey(ctx, code, b)
-			bb, err := appendMarshalText(code, b, ptrToInterface(code, p))
-			if err != nil {
-				return nil, err
-			}
-			b = appendComma(bb)
-			code = code.Next
-		case encoder.OpStructFieldMarshalTextPtr:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				bb, err := appendMarshalText(code, b, ptrToInterface(code, p))
-				if err != nil {
-					return nil, err
-				}
-				b = bb
-			}
-			b = appendComma(b)
-			code = code.Next
-		case encoder.OpStructFieldOmitEmptyMarshalTextPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				bb, err := appendMarshalText(code, b, ptrToInterface(code, p))
-				if err != nil {
-					return nil, err
-				}
-				b = appendComma(bb)
-			}
-			code = code.Next
-		case encoder.OpStructFieldArray:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p += code.Offset
-			code = code.Next
-			store(ctxptr, code.Idx, p)
-		case encoder.OpStructFieldOmitEmptyArray:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p += code.Offset
-			code = code.Next
-			store(ctxptr, code.Idx, p)
-		case encoder.OpStructFieldArrayPtr:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			code = code.Next
-			store(ctxptr, code.Idx, p)
-		case encoder.OpStructFieldOmitEmptyArrayPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				code = code.Next
-				store(ctxptr, code.Idx, p)
-			} else {
-				code = code.NextField
-			}
-		case encoder.OpStructFieldSlice:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p += code.Offset
-			code = code.Next
-			store(ctxptr, code.Idx, p)
-		case encoder.OpStructFieldOmitEmptySlice:
-			p := load(ctxptr, code.HeadIdx)
-			p += code.Offset
-			slice := ptrToSlice(p)
-			if slice.Len == 0 {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				code = code.Next
-				store(ctxptr, code.Idx, p)
-			}
-		case encoder.OpStructFieldSlicePtr:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			code = code.Next
-			store(ctxptr, code.Idx, p)
-		case encoder.OpStructFieldOmitEmptySlicePtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				code = code.Next
-				store(ctxptr, code.Idx, p)
-			} else {
-				code = code.NextField
-			}
-		case encoder.OpStructFieldMap:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToPtr(p + code.Offset)
-			code = code.Next
-			store(ctxptr, code.Idx, p)
-		case encoder.OpStructFieldOmitEmptyMap:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToPtr(p + code.Offset)
-			if p == 0 || maplen(ptrToUnsafePtr(p)) == 0 {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				code = code.Next
-				store(ctxptr, code.Idx, p)
-			}
-		case encoder.OpStructFieldMapPtr:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToPtr(p + code.Offset)
-			if p != 0 {
-				p = ptrToNPtr(p, code.PtrNum)
-			}
-			code = code.Next
-			store(ctxptr, code.Idx, p)
-		case encoder.OpStructFieldOmitEmptyMapPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToPtr(p + code.Offset)
-			if p != 0 {
-				p = ptrToNPtr(p, code.PtrNum)
-			}
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				code = code.Next
-				store(ctxptr, code.Idx, p)
-			} else {
-				code = code.NextField
-			}
-		case encoder.OpStructFieldStruct:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p += code.Offset
-			code = code.Next
-			store(ctxptr, code.Idx, p)
-		case encoder.OpStructFieldOmitEmptyStruct:
-			p := load(ctxptr, code.HeadIdx)
-			p += code.Offset
-			if ptrToPtr(p) == 0 && code.IsNextOpPtrType {
-				code = code.NextField
-			} else {
-				b = appendStructKey(ctx, code, b)
-				code = code.Next
-				store(ctxptr, code.Idx, p)
-			}
-		case encoder.OpStructAnonymousEnd:
-			code = code.Next
-		case encoder.OpStructEnd:
-			b = appendStructEndSkipLast(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndInt:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = appendInt(b, ptrToUint64(p+code.Offset), code)
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyInt:
-			p := load(ctxptr, code.HeadIdx)
-			u64 := ptrToUint64(p + code.Offset)
-			v := u64 & code.Mask
-			if v != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendInt(b, u64, code)
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndIntString:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = append(b, '"')
-			b = appendInt(b, ptrToUint64(p+code.Offset), code)
-			b = append(b, '"')
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyIntString:
-			p := load(ctxptr, code.HeadIdx)
-			u64 := ptrToUint64(p + code.Offset)
-			v := u64 & code.Mask
-			if v != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendInt(b, u64, code)
-				b = append(b, '"')
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndIntPtr:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendInt(b, ptrToUint64(p), code)
-			}
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyIntPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendInt(b, ptrToUint64(p), code)
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndIntPtrString:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = append(b, '"')
-				b = appendInt(b, ptrToUint64(p), code)
-				b = append(b, '"')
-			}
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyIntPtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendInt(b, ptrToUint64(p), code)
-				b = append(b, '"')
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndUint:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = appendUint(b, ptrToUint64(p+code.Offset), code)
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyUint:
-			p := load(ctxptr, code.HeadIdx)
-			u64 := ptrToUint64(p + code.Offset)
-			v := u64 & code.Mask
-			if v != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendUint(b, u64, code)
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndUintString:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = append(b, '"')
-			b = appendUint(b, ptrToUint64(p+code.Offset), code)
-			b = append(b, '"')
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyUintString:
-			p := load(ctxptr, code.HeadIdx)
-			u64 := ptrToUint64(p + code.Offset)
-			v := u64 & code.Mask
-			if v != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendUint(b, u64, code)
-				b = append(b, '"')
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndUintPtr:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendUint(b, ptrToUint64(p), code)
-			}
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyUintPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendUint(b, ptrToUint64(p), code)
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndUintPtrString:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = append(b, '"')
-				b = appendUint(b, ptrToUint64(p), code)
-				b = append(b, '"')
-			}
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyUintPtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendUint(b, ptrToUint64(p), code)
-				b = append(b, '"')
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndFloat32:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = appendFloat32(b, ptrToFloat32(p+code.Offset))
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyFloat32:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToFloat32(p + code.Offset)
-			if v != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendFloat32(b, v)
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndFloat32String:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = append(b, '"')
-			b = appendFloat32(b, ptrToFloat32(p+code.Offset))
-			b = append(b, '"')
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyFloat32String:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToFloat32(p + code.Offset)
-			if v != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendFloat32(b, v)
-				b = append(b, '"')
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndFloat32Ptr:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendFloat32(b, ptrToFloat32(p))
-			}
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyFloat32Ptr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendFloat32(b, ptrToFloat32(p))
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndFloat32PtrString:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = append(b, '"')
-				b = appendFloat32(b, ptrToFloat32(p))
-				b = append(b, '"')
-			}
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyFloat32PtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendFloat32(b, ptrToFloat32(p))
-				b = append(b, '"')
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndFloat64:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToFloat64(p + code.Offset)
-			if math.IsInf(v, 0) || math.IsNaN(v) {
-				return nil, errUnsupportedFloat(v)
-			}
-			b = appendStructKey(ctx, code, b)
-			b = appendFloat64(b, v)
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyFloat64:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToFloat64(p + code.Offset)
-			if v != 0 {
-				if math.IsInf(v, 0) || math.IsNaN(v) {
-					return nil, errUnsupportedFloat(v)
-				}
-				b = appendStructKey(ctx, code, b)
-				b = appendFloat64(b, v)
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndFloat64String:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToFloat64(p + code.Offset)
-			if math.IsInf(v, 0) || math.IsNaN(v) {
-				return nil, errUnsupportedFloat(v)
-			}
-			b = appendStructKey(ctx, code, b)
-			b = append(b, '"')
-			b = appendFloat64(b, v)
-			b = append(b, '"')
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyFloat64String:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToFloat64(p + code.Offset)
-			if v != 0 {
-				if math.IsInf(v, 0) || math.IsNaN(v) {
-					return nil, errUnsupportedFloat(v)
-				}
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendFloat64(b, v)
-				b = append(b, '"')
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndFloat64Ptr:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-				b = appendStructEnd(ctx, code, b)
-				code = code.Next
-				break
-			}
-			v := ptrToFloat64(p)
-			if math.IsInf(v, 0) || math.IsNaN(v) {
-				return nil, errUnsupportedFloat(v)
-			}
-			b = appendFloat64(b, v)
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyFloat64Ptr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				v := ptrToFloat64(p)
-				if math.IsInf(v, 0) || math.IsNaN(v) {
-					return nil, errUnsupportedFloat(v)
-				}
-				b = appendFloat64(b, v)
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndFloat64PtrString:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = append(b, '"')
-				v := ptrToFloat64(p)
-				if math.IsInf(v, 0) || math.IsNaN(v) {
-					return nil, errUnsupportedFloat(v)
-				}
-				b = appendFloat64(b, v)
-				b = append(b, '"')
-			}
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyFloat64PtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				v := ptrToFloat64(p)
-				if math.IsInf(v, 0) || math.IsNaN(v) {
-					return nil, errUnsupportedFloat(v)
-				}
-				b = append(b, '"')
-				b = appendFloat64(b, v)
-				b = append(b, '"')
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndString:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = appendString(b, ptrToString(p+code.Offset))
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyString:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToString(p + code.Offset)
-			if v != "" {
-				b = appendStructKey(ctx, code, b)
-				b = appendString(b, v)
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndStringString:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			s := ptrToString(p + code.Offset)
-			b = appendString(b, string(appendString([]byte{}, s)))
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyStringString:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToString(p + code.Offset)
-			if v != "" {
-				b = appendStructKey(ctx, code, b)
-				b = appendString(b, string(appendString([]byte{}, v)))
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndStringPtr:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendString(b, ptrToString(p))
-			}
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyStringPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendString(b, ptrToString(p))
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndStringPtrString:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendString(b, string(appendString([]byte{}, ptrToString(p))))
-			}
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyStringPtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendString(b, string(appendString([]byte{}, ptrToString(p))))
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndBool:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = appendBool(b, ptrToBool(p+code.Offset))
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyBool:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToBool(p + code.Offset)
-			if v {
-				b = appendStructKey(ctx, code, b)
-				b = appendBool(b, v)
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndBoolString:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = append(b, '"')
-			b = appendBool(b, ptrToBool(p+code.Offset))
-			b = append(b, '"')
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyBoolString:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToBool(p + code.Offset)
-			if v {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendBool(b, v)
-				b = append(b, '"')
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndBoolPtr:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendBool(b, ptrToBool(p))
-			}
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyBoolPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendBool(b, ptrToBool(p))
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndBoolPtrString:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = append(b, '"')
-				b = appendBool(b, ptrToBool(p))
-				b = append(b, '"')
-			}
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyBoolPtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				b = appendBool(b, ptrToBool(p))
-				b = append(b, '"')
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndBytes:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = appendByteSlice(b, ptrToBytes(p+code.Offset))
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyBytes:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToBytes(p + code.Offset)
-			if len(v) > 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendByteSlice(b, v)
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndBytesPtr:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = appendByteSlice(b, ptrToBytes(p))
-			}
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyBytesPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = appendByteSlice(b, ptrToBytes(p))
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndNumber:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			bb, err := appendNumber(b, ptrToNumber(p+code.Offset))
-			if err != nil {
-				return nil, err
-			}
-			b = appendStructEnd(ctx, code, bb)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyNumber:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToNumber(p + code.Offset)
-			if v != "" {
-				b = appendStructKey(ctx, code, b)
-				bb, err := appendNumber(b, v)
-				if err != nil {
-					return nil, err
-				}
-				b = appendStructEnd(ctx, code, bb)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndNumberString:
-			p := load(ctxptr, code.HeadIdx)
-			b = appendStructKey(ctx, code, b)
-			b = append(b, '"')
-			bb, err := appendNumber(b, ptrToNumber(p+code.Offset))
-			if err != nil {
-				return nil, err
-			}
-			b = append(bb, '"')
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyNumberString:
-			p := load(ctxptr, code.HeadIdx)
-			v := ptrToNumber(p + code.Offset)
-			if v != "" {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				bb, err := appendNumber(b, v)
-				if err != nil {
-					return nil, err
-				}
-				b = append(bb, '"')
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndNumberPtr:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				bb, err := appendNumber(b, ptrToNumber(p))
-				if err != nil {
-					return nil, err
-				}
-				b = bb
-			}
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyNumberPtr:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				bb, err := appendNumber(b, ptrToNumber(p))
-				if err != nil {
-					return nil, err
-				}
-				b = appendStructEnd(ctx, code, bb)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpStructEndNumberPtrString:
-			b = appendStructKey(ctx, code, b)
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p == 0 {
-				b = appendNull(b)
-			} else {
-				b = append(b, '"')
-				bb, err := appendNumber(b, ptrToNumber(p))
-				if err != nil {
-					return nil, err
-				}
-				b = append(bb, '"')
-			}
-			b = appendStructEnd(ctx, code, b)
-			code = code.Next
-		case encoder.OpStructEndOmitEmptyNumberPtrString:
-			p := load(ctxptr, code.HeadIdx)
-			p = ptrToNPtr(p+code.Offset, code.PtrNum)
-			if p != 0 {
-				b = appendStructKey(ctx, code, b)
-				b = append(b, '"')
-				bb, err := appendNumber(b, ptrToNumber(p))
-				if err != nil {
-					return nil, err
-				}
-				b = append(bb, '"')
-				b = appendStructEnd(ctx, code, b)
-			} else {
-				b = appendStructEndSkipLast(ctx, code, b)
-			}
-			code = code.Next
-		case encoder.OpEnd:
-			goto END
-		}
-	}
-END:
-	return b, nil
-}
diff --git a/internal/encoder/vm_escaped/debug_vm.go b/internal/encoder/vm_escaped/debug_vm.go
new file mode 100644
index 0000000..0139f57
--- /dev/null
+++ b/internal/encoder/vm_escaped/debug_vm.go
@@ -0,0 +1,27 @@
+package vm_escaped
+
+import (
+	"fmt"
+
+	"github.com/goccy/go-json/internal/encoder"
+)
+
+func DebugRun(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet, opt encoder.Option) ([]byte, error) {
+	defer func() {
+		if err := recover(); err != nil {
+			fmt.Println("=============[DEBUG]===============")
+			fmt.Println("* [TYPE]")
+			fmt.Println(codeSet.Type)
+			fmt.Printf("\n")
+			fmt.Println("* [ALL OPCODE]")
+			fmt.Println(codeSet.Code.Dump())
+			fmt.Printf("\n")
+			fmt.Println("* [CONTEXT]")
+			fmt.Printf("%+v\n", ctx)
+			fmt.Println("===================================")
+			panic(err)
+		}
+	}()
+
+	return Run(ctx, b, codeSet, opt)
+}
diff --git a/internal/encoder/vm_escaped/hack.go b/internal/encoder/vm_escaped/hack.go
index d6c1997..3ac51dd 100644
--- a/internal/encoder/vm_escaped/hack.go
+++ b/internal/encoder/vm_escaped/hack.go
@@ -2,8 +2,8 @@ package vm_escaped
 
 import (
 	// HACK: compile order
-	// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent`, `vm_debug` packages uses a lot of memory to compile,
+	// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent` packages uses a lot of memory to compile,
 	// so forcibly make dependencies and avoid compiling in concurrent.
-	// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent => vm_debug
+	// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent
 	_ "github.com/goccy/go-json/internal/encoder/vm_indent"
 )
diff --git a/internal/encoder/vm_escaped_indent/debug_vm.go b/internal/encoder/vm_escaped_indent/debug_vm.go
new file mode 100644
index 0000000..970ab47
--- /dev/null
+++ b/internal/encoder/vm_escaped_indent/debug_vm.go
@@ -0,0 +1,27 @@
+package vm_escaped_indent
+
+import (
+	"fmt"
+
+	"github.com/goccy/go-json/internal/encoder"
+)
+
+func DebugRun(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet, opt encoder.Option) ([]byte, error) {
+	defer func() {
+		if err := recover(); err != nil {
+			fmt.Println("=============[DEBUG]===============")
+			fmt.Println("* [TYPE]")
+			fmt.Println(codeSet.Type)
+			fmt.Printf("\n")
+			fmt.Println("* [ALL OPCODE]")
+			fmt.Println(codeSet.Code.Dump())
+			fmt.Printf("\n")
+			fmt.Println("* [CONTEXT]")
+			fmt.Printf("%+v\n", ctx)
+			fmt.Println("===================================")
+			panic(err)
+		}
+	}()
+
+	return Run(ctx, b, codeSet, opt)
+}
diff --git a/internal/encoder/vm_escaped_indent/hack.go b/internal/encoder/vm_escaped_indent/hack.go
index a3672d9..49d3cec 100644
--- a/internal/encoder/vm_escaped_indent/hack.go
+++ b/internal/encoder/vm_escaped_indent/hack.go
@@ -1,9 +1,6 @@
 package vm_escaped_indent
 
-import (
-	// HACK: compile order
-	// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent`, `vm_debug` packages uses a lot of memory to compile,
-	// so forcibly make dependencies and avoid compiling in concurrent.
-	// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent => vm_debug
-	_ "github.com/goccy/go-json/internal/encoder/vm_debug"
-)
+// HACK: compile order
+// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent` packages uses a lot of memory to compile,
+// so forcibly make dependencies and avoid compiling in concurrent.
+// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent
diff --git a/internal/encoder/vm_indent/debug_vm.go b/internal/encoder/vm_indent/debug_vm.go
new file mode 100644
index 0000000..4b78e9e
--- /dev/null
+++ b/internal/encoder/vm_indent/debug_vm.go
@@ -0,0 +1,27 @@
+package vm_indent
+
+import (
+	"fmt"
+
+	"github.com/goccy/go-json/internal/encoder"
+)
+
+func DebugRun(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet, opt encoder.Option) ([]byte, error) {
+	defer func() {
+		if err := recover(); err != nil {
+			fmt.Println("=============[DEBUG]===============")
+			fmt.Println("* [TYPE]")
+			fmt.Println(codeSet.Type)
+			fmt.Printf("\n")
+			fmt.Println("* [ALL OPCODE]")
+			fmt.Println(codeSet.Code.Dump())
+			fmt.Printf("\n")
+			fmt.Println("* [CONTEXT]")
+			fmt.Printf("%+v\n", ctx)
+			fmt.Println("===================================")
+			panic(err)
+		}
+	}()
+
+	return Run(ctx, b, codeSet, opt)
+}
diff --git a/internal/encoder/vm_indent/hack.go b/internal/encoder/vm_indent/hack.go
index 7838010..789ade8 100644
--- a/internal/encoder/vm_indent/hack.go
+++ b/internal/encoder/vm_indent/hack.go
@@ -2,8 +2,8 @@ package vm_indent
 
 import (
 	// HACK: compile order
-	// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent`, `vm_debug` packages uses a lot of memory to compile,
+	// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent` packages uses a lot of memory to compile,
 	// so forcibly make dependencies and avoid compiling in concurrent.
-	// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent => vm_debug
+	// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent
 	_ "github.com/goccy/go-json/internal/encoder/vm_escaped_indent"
 )