src/test/run-pass/moves/move-3-unique.rs

   1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // run-pass
  12 #![allow(unused_mut)]
  13 #![feature(box_syntax)]
  14
  15 #[derive(Clone)]
  16 struct Triple {
  17     x: isize,
  18     y: isize,
  19     z: isize,
  20 }
  21
  22 fn test(x: bool, foo: Box<Triple>) -> isize {
  23     let bar = foo;
  24     let mut y: Box<Triple>;
  25     if x { y = bar; } else { y = box Triple {x: 4, y: 5, z: 6}; }
  26     return y.y;
  27 }
  28
  29 pub fn main() {
  30     let x: Box<_> = box Triple{x: 1, y: 2, z: 3};
  31     for _ in 0_usize..10000_usize {
  32         assert_eq!(test(true, x.clone()), 2);
  33     }
  34     assert_eq!(test(false, x), 5);
  35 }