rust/src/test/run-pass/issue-2930.rs

// 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.

proto! stream (
    Stream:send<T:Owned> {
        send(T) -> Stream<T>
    }
)

pub fn main() {
    let (_bp, bc) = stream::init();

    stream::client::send(bc, ~"abc");
}