rust/src/test/run-pass/mutable-alias-vec.rs

// -*- rust -*-

use std;

fn grow(&mutable vec[int] v) {
  v += [1];
}

fn main() {
  let vec[int] v = [];
  grow(v);
  grow(v);
  grow(v);
  auto len = std::vec::len[int](v);
  log len;
  assert (len == (3 as uint));
}