Method WriteExtension

msgp/extension.go:209–242

WriteExtension writes an extension type to the writer

(e Extension)

// WriteExtension writes an extension type to the writer
func (mw *Writer) WriteExtension(e Extension) error {
	length := e.Len()

	err := mw.writeExtensionHeader(length, e.ExtensionType())
	if err != nil {
		return err
	}

	// we can only write directly to the
	// buffer if we're sure that it
	// fits the object
	if length <= mw.bufsize() {
		o, err := mw.require(length)
		if err != nil {
			return err
		}
		return e.MarshalBinaryTo(mw.buf[o:])
	}
	// here we create a new buffer
	// just large enough for the body
	// and save it as the write buffer
	err = mw.flush()
	if err != nil {
		return err
	}
	buf := make([]byte, length)
	err = e.MarshalBinaryTo(buf)
	if err != nil {
		return err
	}
	mw.buf = buf
	mw.wloc = length
	return nil
}

// WriteExtensionRaw writes an extension type to the writer
func (mw *Writer) WriteExtensionRaw(extType int8, payload []byte) error {