alloc/vec/drain.rs

3 use crate::alloc::{Allocator, Global};
27     #[unstable(feature = "allocator_api", issue = "32838")] A: Allocator + 'a = Global,
39 impl<T: fmt::Debug, A: Allocator> fmt::Debug for Drain<'_, T, A> {
45 impl<'a, T, A: Allocator> Drain<'a, T, A> {
63     /// Returns a reference to the underlying allocator.
67     pub fn allocator(&self) -> &A {  in allocator()  method
68         unsafe { self.vec.as_ref().allocator() }  in allocator()
142 impl<'a, T, A: Allocator> AsRef<[T]> for Drain<'a, T, A> {
149 unsafe impl<T: Sync, A: Sync + Allocator> Sync for Drain<'_, T, A> {}
151 unsafe impl<T: Send, A: Send + Allocator> Send for Drain<'_, T, A> {}
154 impl<T, A: Allocator> Iterator for Drain<'_, T, A> {
168 impl<T, A: Allocator> DoubleEndedIterator for Drain<'_, T, A> {
176 impl<T, A: Allocator> Drop for Drain<'_, T, A> {
179         struct DropGuard<'r, 'a, T, A: Allocator>(&'r mut Drain<'a, T, A>);  in drop()
181         impl<'r, 'a, T, A: Allocator> Drop for DropGuard<'r, 'a, T, A> {  in drop()
245 impl<T, A: Allocator> ExactSizeIterator for Drain<'_, T, A> {
252 unsafe impl<T, A: Allocator> TrustedLen for Drain<'_, T, A> {}
255 impl<T, A: Allocator> FusedIterator for Drain<'_, T, A> {}