rust/tests/ui/nll/issue-27282-mutation-in-guard.rs
2023-01-11 09:32:08 +00:00

27 lines
747 B
Rust

#![feature(if_let_guard)]
fn main() {
match Some(&4) {
None => {},
ref mut foo
if {
(|| { let bar = foo; bar.take() })();
//~^ ERROR cannot move out of `foo` in pattern guard
false
} => {},
Some(ref _s) => println!("Note this arm is bogus; the `Some` became `None` in the guard."),
_ => println!("Here is some supposedly unreachable code."),
}
match Some(&4) {
None => {},
ref mut foo
if let Some(()) = {
(|| { let bar = foo; bar.take() })();
//~^ ERROR cannot move out of `foo` in pattern guard
None
} => {},
Some(_) => {},
}
}