macro_rules! ret { ([ $ret:expr ], $arg:expr) => { ... }; ([ $ret:expr ] $(, $arg:expr)*) => { ... }; }
Return data via a Ret instance
Ret
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.
Ret::ret