// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. fn main() { struct foo { _x: oldcomm::Port<()>, } impl foo : Drop { fn finalize(&self) {} } fn foo(x: oldcomm::Port<()>) -> foo { foo { _x: x } } let x = ~mut Some(foo(oldcomm::Port())); do task::spawn |move x| { //~ ERROR not a sendable value let mut y = None; *x <-> y; log(error, y); } }