| // 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; | |
| } | |
| _ => {} | |
| } | |
| } |