pub struct IpcSaver { /* private fields */ }
保存未能及时回复的 IPC
创建一个空的 IpcSaver
保存一个调用者的回复能力
回复一个 Endpoint
msg
获取当前等待队列的长度
TypeId
self
Returns the argument unchanged.
Calls U::from(self).
U::from(self)
That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.
[From]<T> for U