src/test/ui/run-pass/moves/move-1-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 #![feature(box_syntax)]
  13
  14 #[derive(Clone)]
  15 struct Triple {
  16     x: isize,
  17     y: isize,
  18     z: isize,
  19 }
  20
  21 fn test(x: bool, foo: Box<Triple>) -> isize {
  22     let bar = foo;
  23     let mut y: Box<Triple>;
  24     if x { y = bar; } else { y = box Triple{x: 4, y: 5, z: 6}; }
  25     return y.y;
  26 }
  27
  28 pub fn main() {
  29     let x: Box<_> = box Triple{x: 1, y: 2, z: 3};
  30     assert_eq!(test(true, x.clone()), 2);
  31     assert_eq!(test(true, x.clone()), 2);
  32     assert_eq!(test(true, x.clone()), 2);
  33     assert_eq!(test(false, x), 5);
  34 }