package bytes import ( "github.com/unistack-org/micro/v3/codec" ) type Marshaler struct{} type Message struct { Header map[string]string Body []byte } func (n Marshaler) Marshal(v interface{}) ([]byte, error) { switch ve := v.(type) { case *[]byte: return *ve, nil case []byte: return ve, nil case *Message: return ve.Body, nil } return nil, codec.ErrInvalidMessage } func (n Marshaler) Unmarshal(d []byte, v interface{}) error { switch ve := v.(type) { case *[]byte: *ve = d case *Message: ve.Body = d } return codec.ErrInvalidMessage } func (n Marshaler) String() string { return "bytes" }