rust/src/test/run-pass/task-comm-chan-nil.rs

// -*- rust -*-
// Copyright 2012 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.


extern mod std;

// rustboot can't transmit nils across channels because they don't have
// any size, but rustc currently can because they do have size. Whether
// or not this is desirable I don't know, but here's a regression test.
fn main() {
    let po = oldcomm::Port();
    let ch = oldcomm::Chan(&po);
    oldcomm::send(ch, ());
    let n: () = oldcomm::recv(po);
    assert (n == ());
}