/src/test/run-pass/yield1.rs

 1// -*- rust -*-
 2use std;
 3import task;
 4import task::*;
 5
 6fn main() {
 7    let mut result = none;
 8    task::task().future_result(|-r| { result = some(r); }).spawn(child);
 9    error!{"1"};
10    yield();
11    future::get(option::unwrap(result));
12}
13
14fn child() { error!{"2"}; }