Struct `Drain`

struct Drain<'a, T: 'a, A: Allocator = crate::alloc::Global> { ... }

A draining iterator over the elements of a VecDeque.

This struct is created by the drain method on VecDeque. See its documentation for more.

Implementations

`impl<'a, T, A> Freeze for Drain<'a, T, A>`

`impl<'a, T, A> RefUnwindSafe for Drain<'a, T, A>`

`impl<'a, T, A> Unpin for Drain<'a, T, A>`

`impl<'a, T, A> UnsafeUnpin for Drain<'a, T, A>`

`impl<'a, T, A> UnwindSafe for Drain<'a, T, A>`

`impl<I> IntoIterator for Drain<'a, T, A>`

fn into_iter(self: Self) -> I

`impl<T> Any for Drain<'a, T, A>`

fn type_id(self: &Self) -> TypeId

`impl<T> Borrow for Drain<'a, T, A>`

fn borrow(self: &Self) -> &T

`impl<T> BorrowMut for Drain<'a, T, A>`

fn borrow_mut(self: &mut Self) -> &mut T

`impl<T> From for Drain<'a, T, A>`

fn from(t: T) -> T: Returns the argument unchanged.

`impl<T, A: Allocator> DoubleEndedIterator for Drain<'_, T, A>`

fn next_back(self: &mut Self) -> Option<T>

`impl<T, A: Allocator> Drop for Drain<'_, T, A>`

fn drop(self: &mut Self)

`impl<T, A: Allocator> ExactSizeIterator for Drain<'_, T, A>`

`impl<T, A: Allocator> FusedIterator for Drain<'_, T, A>`

`impl<T, A: Allocator> Iterator for Drain<'_, T, A>`

fn next(self: &mut Self) -> Option<T>
fn size_hint(self: &Self) -> (usize, Option<usize>)

`impl<T, U> Into for Drain<'a, T, A>`

fn into(self: Self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

`impl<T, U> TryFrom for Drain<'a, T, A>`

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

`impl<T, U> TryInto for Drain<'a, T, A>`

fn try_into(self: Self) -> Result<U, <U as TryFrom<T>>::Error>

`impl<T: Send, A: Allocator + Send> Send for Drain<'_, T, A>`

`impl<T: Sync, A: Allocator + Sync> Sync for Drain<'_, T, A>`

`impl<T: fmt::Debug, A: Allocator> Debug for Drain<'_, T, A>`

fn fmt(self: &Self, f: &mut Formatter<'_>) -> Result