21 lines
691 B
Rust
21 lines
691 B
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
|
|
// file at the top-level directory of this distribution and at
|
|
// http://rust-lang.org/COPYRIGHT.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
struct Pair { mut a: ~int, mut b: ~int }
|
|
|
|
pub fn main() {
|
|
let x = ~Pair {mut a: ~10, b: ~20};
|
|
match x {
|
|
~Pair {a: ref mut a, b: ref b} => {
|
|
assert **a == 10; *a = ~30; assert **a == 30;
|
|
}
|
|
}
|
|
}
|