From 77dcffe77d06c9d230ae1fc2d2da95bfa4364806 Mon Sep 17 00:00:00 2001
From: Tao Wen <taowen@gmail.com>
Date: Sat, 17 Jun 2017 22:42:11 +0800
Subject: [PATCH] tweak performance

---
 feature_iter_object.go | 9 +++++----
 feature_pool.go        | 4 +++-
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/feature_iter_object.go b/feature_iter_object.go
index 5a84b0f..5eb91e6 100644
--- a/feature_iter_object.go
+++ b/feature_iter_object.go
@@ -3,6 +3,7 @@ package jsoniter
 import (
 	"fmt"
 	"unicode"
+	"unsafe"
 )
 
 func (iter *Iterator) ReadObject() (ret string) {
@@ -79,13 +80,13 @@ func (iter *Iterator) ReadObjectCB(callback func(*Iterator, string) bool) bool {
 		c = iter.nextToken()
 		if c == '"' {
 			iter.unreadByte()
-			field := string(iter.readObjectFieldAsBytes())
-			if !callback(iter, field) {
+			field := iter.readObjectFieldAsBytes()
+			if !callback(iter, *(*string)(unsafe.Pointer(&field))) {
 				return false
 			}
 			for iter.nextToken() == ',' {
-				field = string(iter.readObjectFieldAsBytes())
-				if !callback(iter, field) {
+				field = iter.readObjectFieldAsBytes()
+				if !callback(iter, *(*string)(unsafe.Pointer(&field))) {
 					return false
 				}
 			}
diff --git a/feature_pool.go b/feature_pool.go
index 7f682dd..85170ff 100644
--- a/feature_pool.go
+++ b/feature_pool.go
@@ -1,6 +1,8 @@
 package jsoniter
 
-import "io"
+import (
+	"io"
+)
 
 func (cfg *frozenConfig) BorrowStream(writer io.Writer) *Stream {
 	select {