Update gjson and fix golint messages

go.mod

@@ -3,6 +3,6 @@ module github.com/tidwall/sjson
 go 1.14
 
 require (
-	github.com/tidwall/gjson v1.8.0
-	github.com/tidwall/pretty v1.1.0
+	github.com/tidwall/gjson v1.9.0
+	github.com/tidwall/pretty v1.2.0
 )

go.sum

@@ -1,6 +1,7 @@
-github.com/tidwall/gjson v1.8.0 h1:Qt+orfosKn0rbNTZqHYDqBrmm3UDA4KRkv70fDzG+PQ=
-github.com/tidwall/gjson v1.8.0/go.mod h1:5/xDoumyyDNerp2U36lyolv46b3uF/9Bu6OfyQ9GImk=
+github.com/tidwall/gjson v1.9.0 h1:+Od7AE26jAaMgVC31cQV/Ope5iKXulNMflrlB7k+F9E=
+github.com/tidwall/gjson v1.9.0/go.mod h1:5/xDoumyyDNerp2U36lyolv46b3uF/9Bu6OfyQ9GImk=
 github.com/tidwall/match v1.0.3 h1:FQUVvBImDutD8wJLN6c5eMzWtjgONK9MwIBCOrUJKeE=
 github.com/tidwall/match v1.0.3/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
-github.com/tidwall/pretty v1.1.0 h1:K3hMW5epkdAVwibsQEfR/7Zj0Qgt4DxtNumTq/VloO8=
 github.com/tidwall/pretty v1.1.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
+github.com/tidwall/pretty v1.2.0 h1:RWIZEg2iJ8/g6fDDYzMpobmaoGh5OLl4AXtGUGPcqCs=
+github.com/tidwall/pretty v1.2.0/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=

sjson.go

@@ -3,7 +3,6 @@ package sjson
 
 import (
 	jsongo "encoding/json"
-	"reflect"
 	"strconv"
 	"unsafe"
 
@@ -489,6 +488,17 @@ func DeleteBytes(json []byte, path string) ([]byte, error) {
 	return SetBytes(json, path, dtype{})
 }
 
+type stringHeader struct {
+	data unsafe.Pointer
+	len  int
+}
+
+type sliceHeader struct {
+	data unsafe.Pointer
+	len  int
+	cap  int
+}
+
 func set(jstr, path, raw string,
 	stringify, del, optimistic, inplace bool) ([]byte, error) {
 	if path == "" {
@@ -503,9 +513,9 @@ func set(jstr, path, raw string,
 			}
 			if inplace && sz <= len(jstr) {
 				if !stringify || !mustMarshalString(raw) {
-					jsonh := *(*reflect.StringHeader)(unsafe.Pointer(&jstr))
-					jsonbh := reflect.SliceHeader{
-						Data: jsonh.Data, Len: jsonh.Len, Cap: jsonh.Len}
+					jsonh := *(*stringHeader)(unsafe.Pointer(&jstr))
+					jsonbh := sliceHeader{
+						data: jsonh.data, len: jsonh.len, cap: jsonh.len}
 					jbytes := *(*[]byte)(unsafe.Pointer(&jsonbh))
 					if stringify {
 						jbytes[res.Index] = '"'
@@ -571,8 +581,8 @@ func SetOptions(json, path string, value interface{},
 			opts.ReplaceInPlace = false
 		}
 	}
-	jsonh := *(*reflect.StringHeader)(unsafe.Pointer(&json))
-	jsonbh := reflect.SliceHeader{Data: jsonh.Data, Len: jsonh.Len}
+	jsonh := *(*stringHeader)(unsafe.Pointer(&json))
+	jsonbh := sliceHeader{data: jsonh.data, len: jsonh.len, cap: jsonh.len}
 	jsonb := *(*[]byte)(unsafe.Pointer(&jsonbh))
 	res, err := SetBytesOptions(jsonb, path, value, opts)
 	return string(res), err

sjson_test.go

@@ -334,3 +334,6 @@ func TestIssue36(t *testing.T) {
 		t.Fatal("unexpected result")
 	}
 }
+
+func TestIndexes(t *testing.T) {
+}