src/test/run-pass/vec-dst.rs

   1 // Copyright 2014 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 // pretty-expanded FIXME #23616
  12
  13 #![allow(unknown_features)]
  14 #![feature(box_syntax)]
  15
  16 pub fn main() {
  17     // Tests for indexing into box/& [T; n]
  18     let x: [isize; 3] = [1, 2, 3];
  19     let mut x: Box<[isize; 3]> = box x;
  20     assert!(x[0] == 1);
  21     assert!(x[1] == 2);
  22     assert!(x[2] == 3);
  23     x[1] = 45;
  24     assert!(x[0] == 1);
  25     assert!(x[1] == 45);
  26     assert!(x[2] == 3);
  27
  28     let mut x: [isize; 3] = [1, 2, 3];
  29     let x: &mut [isize; 3] = &mut x;
  30     assert!(x[0] == 1);
  31     assert!(x[1] == 2);
  32     assert!(x[2] == 3);
  33     x[1] = 45;
  34     assert!(x[0] == 1);
  35     assert!(x[1] == 45);
  36     assert!(x[2] == 3);
  37 }