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Made std::task::TaskBuilder::future_result() easier to use

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This commit is contained in:
Marvin Löbel 2013-10-18 10:38:46 +02:00
parent d4a32386f3
commit 3011801256
15 changed files with 47 additions and 88 deletions
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11
src/libstd/unstable/sync.rs
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@ -580,32 +580,29 @@ mod tests {
// Now try the same thing, but with the child task blocking.
let x = Exclusive::new(~~"hello");
let x2 = Cell::new(x.clone());
let mut res = None;
let mut builder = task::task();
builder.future_result(|r| res = Some(r));
let res = builder.future_result();
do builder.spawn {
let x2 = x2.take();
assert!(x2.unwrap() == ~~"hello");
}
// Have to get rid of our reference before blocking.
util::ignore(x);
res.unwrap().recv();
res.recv();
}
#[test] #[should_fail]
fn exclusive_new_unwrap_conflict() {
let x = Exclusive::new(~~"hello");
let x2 = Cell::new(x.clone());
let mut res = None;
let mut builder = task::task();
builder.future_result(|r| res = Some(r));
let res = builder.future_result();
do builder.spawn {
let x2 = x2.take();
assert!(x2.unwrap() == ~~"hello");
}
assert!(x.unwrap() == ~~"hello");
// See #4689 for why this can't be just "res.recv()".
assert!(res.unwrap().recv() == task::Success);
assert!(res.recv() == task::Success);
}
#[test]