rust/src/test/run-pass/bind-field-short-with-modifiers.rs

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// Copyright 2013 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.
pub fn main() {
struct Foo { x: int, y: int }
let mut f = Foo { x: 10, y: 0 };
match f {
Foo { ref mut x, .. } => *x = 11,
}
match f {
Foo { ref x, ref y } => {
assert_eq!(f.x, 11);
assert_eq!(f.y, 0);
}
}
match f {
Foo { mut x, y: ref mut y } => {
x = 12;
*y = 1;
}
}
assert_eq!(f.x, 11);
assert_eq!(f.y, 1);
}