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Add unsafe Send and Sync impls to VecDeque's Drain<T>

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This commit is contained in:
Michael Layzell 2015-09-24 18:19:23 -04:00
parent 45be6fc4d7
commit 493355d8e9
2 changed files with 5 additions and 1 deletions
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3
src/libcollections/vec_deque.rs
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@ -1800,6 +1800,9 @@ pub struct Drain<'a, T: 'a> {
deque: *mut VecDeque<T>,
}
unsafe impl<'a, T: Sync> Sync for Drain<'a, T> {}
unsafe impl<'a, T: Send> Send for Drain<'a, T> {}
#[stable(feature = "rust1", since = "1.0.0")]
impl<'a, T: 'a> Drop for Drain<'a, T> {
fn drop(&mut self) {

3
src/test/run-pass/sync-send-iterators-in-libcollections.rs
View File

@ -93,7 +93,8 @@ fn from_usize(v: usize) -> Foo {
}
all_sync_send!(EnumSet::<Foo>::new(), iter);
all_sync_send!(VecDeque::<usize>::new(), iter, iter_mut, drain, into_iter);
all_sync_send!(VecDeque::<usize>::new(), iter, iter_mut, into_iter);
is_sync_send!(VecDeque::<usize>::new(), drain(..));
all_sync_send!(Vec::<usize>::new(), into_iter);
is_sync_send!(Vec::<usize>::new(), drain(..));