rust/src/test/run-pass/tuple-index.rs
2015-01-30 04:38:54 +01:00

41 lines
989 B
Rust

// Copyright 2014 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 Point(int, int);
fn main() {
let mut x = Point(3, 2);
assert_eq!(x.0, 3);
assert_eq!(x.1, 2);
x.0 += 5;
assert_eq!(x.0, 8);
{
let ry = &mut x.1;
*ry -= 2;
x.0 += 3;
assert_eq!(x.0, 11);
}
assert_eq!(x.1, 0);
let mut x = (3, 2);
assert_eq!(x.0, 3);
assert_eq!(x.1, 2);
x.0 += 5;
assert_eq!(x.0, 8);
{
let ry = &mut x.1;
*ry -= 2;
x.0 += 3;
assert_eq!(x.0, 11);
}
assert_eq!(x.1, 0);
}