rust/tests/ui/binding/match-ref-binding-mut-option.rs
2024-02-16 20:02:50 +00:00

11 lines
162 B
Rust

//@ run-pass
pub fn main() {
let mut v = Some(22);
match v {
None => {}
Some(ref mut p) => { *p += 1; }
}
assert_eq!(v, Some(23));
}