src/test/run-pass/mutable-alias-vec.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 // -*- rust -*-
  12 extern mod extra;
  13
  14 use std::vec;
  15
  16 fn grow(v: &mut ~[int]) {
  17     v.push(1);
  18 }
  19
  20 pub fn main() {
  21     let mut v: ~[int] = ~[];
  22     grow(&mut v);
  23     grow(&mut v);
  24     grow(&mut v);
  25     let len = v.len();
  26     debug!(len);
  27     assert_eq!(len, 3 as uint);
  28 }