fix unsafe.go

internal/unsafe.go

@@ -3,25 +3,20 @@
 package internal
 
 import (
-	"reflect"
 	"unsafe"
 )
 
+// BytesToString converts byte slice to string.
 func BytesToString(b []byte) string {
-	bytesHeader := (*reflect.SliceHeader)(unsafe.Pointer(&b))
-	strHeader := reflect.StringHeader{
-		Data: bytesHeader.Data,
-		Len:  bytesHeader.Len,
-	}
-	return *(*string)(unsafe.Pointer(&strHeader))
+	return *(*string)(unsafe.Pointer(&b))
 }
 
+// StringToBytes converts string to byte slice.
 func StringToBytes(s string) []byte {
-	sh := (*reflect.StringHeader)(unsafe.Pointer(&s))
-	bh := reflect.SliceHeader{
-		Data: sh.Data,
-		Len:  sh.Len,
-		Cap:  sh.Len,
-	}
-	return *(*[]byte)(unsafe.Pointer(&bh))
+	return *(*[]byte)(unsafe.Pointer(
+		&struct {
+		string
+		Cap int
+		}{s,len(s)},
+	))
 }