add pool

Author: khushijain21

bridges/otelzap/core.go

@@ -172,9 +172,9 @@ func (o *Core) Write(ent zapcore.Entry, fields []zapcore.Field) error {
 }
 
 func convertField(fields []zapcore.Field) (context.Context, []log.KeyValue) {
-	// TODO: Use objectEncoder from a pool instead of newObjectEncoder.
 	var ctx context.Context
-	enc := newObjectEncoder(len(fields))
+	enc, free := getObjectEncoder()
+	defer free()
 	for _, field := range fields {
 		if ctxFld, ok := field.Interface.(context.Context); ok {
 			ctx = ctxFld

bridges/otelzap/encoder.go

@@ -42,7 +42,7 @@ func getObjectEncoder() (obj *objectEncoder, free func()) {
 		obj.root.attrs = obj.root.attrs[:0]
 		obj.root.name = ""
 		obj.root.next = nil
-		obj.cur = obj.root
+		obj.cur.attrs = obj.cur.attrs[:0]
 		objectEncoderPool.Put(obj)
 	}
 }
@@ -230,15 +230,13 @@ type arrayEncoder struct {
 }
 
 func (a *arrayEncoder) AppendArray(v zapcore.ArrayMarshaler) error {
-	// TODO: Use arrayEncoder from a pool.
 	arr := &arrayEncoder{}
 	err := v.MarshalLogArray(arr)
 	a.elems = append(a.elems, log.SliceValue(arr.elems...))
 	return err
 }
 
 func (a *arrayEncoder) AppendObject(v zapcore.ObjectMarshaler) error {
-	// TODO: Use objectEncoder from a pool.
 	m := newObjectEncoder(2)
 	err := v.MarshalLogObject(m)
 	m.calculate(m.root)