get encoder without get type first

taowen · taowen · commit d346ea6e5581 · 2018-02-22T10:20:19.000+08:00
diff --git a/reflect.go b/reflect.go
@@ -75,8 +75,12 @@ func (stream *Stream) WriteVal(val interface{}) {
 		stream.WriteNil()
 		return
 	}
-	typ := reflect2.TypeOf(val)
-	encoder := stream.cfg.EncoderOf(typ)
+	cacheKey := reflect2.RTypeOf(val)
+	encoder := stream.cfg.getEncoderFromCache(cacheKey)
+	if encoder == nil {
+		typ := reflect2.TypeOf(val)
+		encoder = stream.cfg.EncoderOf(typ)
+	}
 	encoder.Encode(reflect2.PtrOf(val), stream)
 }
 

Original file line number	Diff line number	Diff line change
`@@ -75,8 +75,12 @@ func (stream *Stream) WriteVal(val interface{}) {`
`75`	`75`	`stream.WriteNil()`
`76`	`76`	`return`
`77`	`77`	`}`
`78`		`- typ := reflect2.TypeOf(val)`
`79`		`- encoder := stream.cfg.EncoderOf(typ)`
	`78`	`+ cacheKey := reflect2.RTypeOf(val)`
	`79`	`+ encoder := stream.cfg.getEncoderFromCache(cacheKey)`
	`80`	`+ if encoder == nil {`
	`81`	`+ typ := reflect2.TypeOf(val)`
	`82`	`+ encoder = stream.cfg.EncoderOf(typ)`
	`83`	`+ }`
`80`	`84`	`encoder.Encode(reflect2.PtrOf(val), stream)`
`81`	`85`	`}`
`82`	`86`