src/test/run-pass/closure-bounds-can-capture-chan.rs

   1 // Copyright 2013 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // pretty-expanded FIXME #23616
  12
  13 use std::sync::mpsc::channel;
  14
  15 fn foo<F:FnOnce()+Send>(blk: F) {
  16     blk();
  17 }
  18
  19 pub fn main() {
  20     let (tx, rx) = channel();
  21     foo(move || {
  22         tx.send(()).unwrap();
  23     });
  24     rx.recv().unwrap();
  25 }