cloneExtra<E> method

EasyPacket<E> cloneExtra<E>(
  1. E? extra
)

克隆一个实例并赋值extra字段

Implementation

EasyPacket<E> cloneExtra<E>(E? extra) => EasyPacket<E>._(route: route, id: id, code: code, desc: desc, data: data, ucid: ucid, word: word, sign: sign, extra: extra);