17 lines
393 B
Rust
17 lines
393 B
Rust
|
// References to by-mutable-ref bindings in an if-let guard *can* be used after the guard.
|
||
|
|
|
||
|
|
//@ check-pass
|
||
|
|
|
||
|
|
#![feature(if_let_guard)]
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
let mut x: Option<Option<String>> = Some(Some(String::new()));
|
||
|
|
match x {
|
||
|
|
Some(ref mut y) if let Some(ref z) = *y => {
|
||
|
|
let _z: &String = z;
|
||
|
|
let _y: &mut Option<String> = y;
|
||
|
|
}
|
||
|
|
_ => {}
|
||
|
|
}
|
||
|
|
}
|