macro_rules! ret {
([ $ret:expr ], $arg:expr) => { ... };
([ $ret:expr ] $(, $arg:expr)*) => { ... };
}
Return data via a Ret
instance
ret!([ret2zz], arg1, arg2...);
This consumes the Ret
instance, which means that it cannot be
used again. There may be zero or more arguments, and they must
match the message type. Implemented using Ret::ret
.