30862a64c2
This is required by the check-fast target because each test is slurped up into a submodule.
21 lines
679 B
Rust
21 lines
679 B
Rust
// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
|
|
// file at the top-level directory of this distribution and at
|
|
// http://rust-lang.org/COPYRIGHT.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
fn swap(f: &fn(~[int]) -> ~[int]) -> ~[int] {
|
|
let x = ~[1, 2, 3];
|
|
f(x)
|
|
}
|
|
|
|
pub fn main() {
|
|
let v = swap(|mut x| { x.push(4); x });
|
|
let w = do swap |mut x| { x.push(4); x };
|
|
assert_eq!(v, w);
|
|
}
|