mirror of
https://github.com/rust-lang/rust.git
synced 2024-10-31 22:41:50 +00:00
17 lines
261 B
Rust
17 lines
261 B
Rust
// run-pass
|
|
// compile-flags: -Z mir-opt-level=3 -C opt-level=0
|
|
|
|
// example from #78496
|
|
pub enum E<'a> {
|
|
Empty,
|
|
Some(&'a E<'a>),
|
|
}
|
|
|
|
fn f(e: &E) -> u32 {
|
|
if let E::Some(E::Some(_)) = e { 1 } else { 2 }
|
|
}
|
|
|
|
fn main() {
|
|
assert_eq!(f(&E::Empty), 2);
|
|
}
|