// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. trait Foo : Send { } impl Foo for T { } fn foo(val: T, chan: std::comm::Chan) { chan.send(val); } fn main() { let (p,c) = std::comm::stream(); foo(31337, c); assert!(p.recv() == 31337); }