src/test/run-pass/yield1.rs

   1 // -*- rust -*-
   2 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
   3 // file at the top-level directory of this distribution and at
   4 // http://rust-lang.org/COPYRIGHT.
   5 //
   6 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   7 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   8 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   9 // option. This file may not be copied, modified, or distributed
  10 // except according to those terms.
  11
  12 pub fn main() {
  13     let mut result = None;
  14     task::task().future_result(|+r| { result = Some(r); }).spawn(child);
  15     error!("1");
  16     task::yield();
  17     result.unwrap().recv();
  18 }
  19
  20 fn child() { error!("2"); }