rust/tests/ui/coroutine/pattern-borrow.rs
Oli Scherer aef0f4024a Error on using yield without also using #[coroutine] on the closure
And suggest adding the `#[coroutine]` to the closure
2024-04-24 08:05:29 +00:00

18 lines
368 B
Rust

#![feature(coroutines)]
enum Test { A(i32), B, }
fn main() { }
fn fun(test: Test) {
#[coroutine] move || {
if let Test::A(ref _a) = test { //~ ERROR borrow may still be in use when coroutine yields
yield ();
_a.use_ref();
}
};
}
trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { } }
impl<T> Fake for T { }