rust/tests/ui/lifetimes/refcell-in-tail-expr.rs

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

15 lines
386 B
Rust
Raw Normal View History

//@ revisions: edition2021 edition2024
//@ [edition2021] edition: 2021
//@ [edition2024] edition: 2024
//@ [edition2024] compile-flags: -Zunstable-options
//@ [edition2024] check-pass
fn main() {
let cell = std::cell::RefCell::new(0u8);
if let Ok(mut byte) = cell.try_borrow_mut() {
//[edition2021]~^ ERROR: `cell` does not live long enough
*byte = 1;
}
}