fix issue 508 (json-iterator#512)

AllenX2018 · web-flow · commit 726ed9d30af1 · 2020-11-14T09:45:31.000+08:00
diff --git a/reflect.go b/reflect.go
@@ -65,7 +65,7 @@ func (iter *Iterator) ReadVal(obj interface{}) {
 	decoder := iter.cfg.getDecoderFromCache(cacheKey)
 	if decoder == nil {
 		typ := reflect2.TypeOf(obj)
-		if typ.Kind() != reflect.Ptr {
+		if typ == nil || typ.Kind() != reflect.Ptr {
 			iter.ReportError("ReadVal", "can only unmarshal into pointer")
 			return
 		}

Original file line number	Diff line number	Diff line change
`@@ -65,7 +65,7 @@ func (iter *Iterator) ReadVal(obj interface{}) {`
`65`	`65`	`decoder := iter.cfg.getDecoderFromCache(cacheKey)`
`66`	`66`	`if decoder == nil {`
`67`	`67`	`typ := reflect2.TypeOf(obj)`
`68`		`- if typ.Kind() != reflect.Ptr {`
	`68`	`+ if typ == nil \|\| typ.Kind() != reflect.Ptr {`
`69`	`69`	`iter.ReportError("ReadVal", "can only unmarshal into pointer")`
`70`	`70`	`return`
`71`	`71`	`}`