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vendor/github.com/bytedance/sonic/ast/iterator.go

@@ -17,29 +17,19 @@
 package ast
 
 import (
-	"fmt"
+    `fmt`
 
-	"github.com/bytedance/sonic/internal/caching"
-	"github.com/bytedance/sonic/internal/native/types"
+    `github.com/bytedance/sonic/internal/native/types`
 )
 
 type Pair struct {
-    hash  uint64
     Key   string
     Value Node
 }
 
-func NewPair(key string, val Node) Pair {
-    return Pair{
-        hash: caching.StrHash(key),
-        Key: key,
-        Value: val,
-    }
-}
-
 // Values returns iterator for array's children traversal
 func (self *Node) Values() (ListIterator, error) {
-    if err := self.should(types.V_ARRAY); err != nil {
+    if err := self.should(types.V_ARRAY, "an array"); err != nil {
         return ListIterator{}, err
     }
     return self.values(), nil
@@ -51,7 +41,7 @@ func (self *Node) values() ListIterator {
 
 // Properties returns iterator for object's children traversal
 func (self *Node) Properties() (ObjectIterator, error) {
-    if err := self.should(types.V_OBJECT); err != nil {
+    if err := self.should(types.V_OBJECT, "an object"); err != nil {
         return ObjectIterator{}, err
     }
     return self.properties(), nil
@@ -173,14 +163,11 @@ type Scanner func(path Sequence, node *Node) bool
 // ForEach scans one V_OBJECT node's children from JSON head to tail, 
 // and pass the Sequence and Node of corresponding JSON value.
 //
-// Especially, if the node is not V_ARRAY or V_OBJECT,
+// Especailly, if the node is not V_ARRAY or V_OBJECT, 
 // the node itself will be returned and Sequence.Index == -1.
 // 
-// NOTICE: An unset node WON'T trigger sc, but its index still counts into Path.Index
+// NOTICE: A unsetted node WON'T trigger sc, but its index still counts into Path.Index
 func (self *Node) ForEach(sc Scanner) error {
-    if err := self.checkRaw(); err != nil {
-        return err
-    }
     switch self.itype() {
     case types.V_ARRAY:
         iter, err := self.Values()