src/test/run-pass/coerce-reborrow-mut-vec-arg.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
  12 // pretty-expanded FIXME #23616
  13
  14 fn reverse(v: &mut [usize]) {
  15     v.reverse();
  16 }
  17
  18 fn bar(v: &mut [usize]) {
  19     reverse(v);
  20     reverse(v);
  21     reverse(v);
  22 }
  23
  24 pub fn main() {
  25     let mut the_vec = vec!(1, 2, 3, 100);
  26     bar(&mut the_vec);
  27     assert_eq!(the_vec, [100, 3, 2, 1]);
  28 }