Struct PeekMut
pub struct PeekMut<'a, T, A: Allocator = Global> { pub(in ::vec::peek_mut) vec: &'a mut Vec<T, A> }Structure wrapping a mutable reference to the last item in a
Vec.
This struct is created by the peek_mut method on Vec. See
its documentation for more.
Fields
vec: &'a mut Vec<T, A>
Implementations
impl<'a, T, A: Allocator> PeekMut<'a, T, A>
fn new(vec: &'a mut Vec<T, A>) -> Option<Self>fn pop(this: Self) -> TRemoves the peeked value from the vector and returns it.
Trait Implementations
impl<'a, T, A: Allocator> Deref for PeekMut<'a, T, A>
type Target = T;fn deref(&self) -> &Self::Target
impl<'a, T, A: Allocator> DerefMut for PeekMut<'a, T, A>
fn deref_mut(&mut self) -> &mut Self::Target
impl<T: Debug, A: Allocator> Debug for PeekMut<'_, T, A>
fn fmt(&self, f: &mut Formatter<'_>) -> Result
Auto Trait Implementations
impl<'a, T, A = Global> !UnwindSafe for PeekMut<'a, T, A>
impl<'a, T, A> Freeze for PeekMut<'a, T, A>
where
&'a mut Vec<T, A>: Freeze,
impl<'a, T, A> RefUnwindSafe for PeekMut<'a, T, A>
where
&'a mut Vec<T, A>: RefUnwindSafe,
impl<'a, T, A> Send for PeekMut<'a, T, A>
where
&'a mut Vec<T, A>: Send,
impl<'a, T, A> Sync for PeekMut<'a, T, A>
where
&'a mut Vec<T, A>: Sync,
impl<'a, T, A> Unpin for PeekMut<'a, T, A>
where
&'a mut Vec<T, A>: Unpin,
impl<'a, T, A> UnsafeUnpin for PeekMut<'a, T, A>
where
&'a mut Vec<T, A>: UnsafeUnpin,
Blanket Implementations
impl<P, T> Receiver for PeekMut<'a, T, A>
where
P: Deref<Target = T> + ?Sized,
T: ?Sized,
type Target = T;
impl<T> Any for PeekMut<'a, T, A>
where
T: 'static + ?Sized,
fn type_id(&self) -> TypeId
impl<T> Borrow<T> for PeekMut<'a, T, A>
where
T: ?Sized,
fn borrow(&self) -> &T
impl<T> BorrowMut<T> for PeekMut<'a, T, A>
where
T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
impl<T> From<T> for PeekMut<'a, T, A>
fn from(t: T) -> TReturns the argument unchanged.
impl<T> SizeHint for PeekMut<'a, T, A>
where
T: ?Sized,
fn lower_bound(&self) -> usizefn upper_bound(&self) -> Option<usize>
impl<T> SizedTypeProperties for PeekMut<'a, T, A>
impl<T, U> Into<U> for PeekMut<'a, T, A>
where
U: From<T>,
fn into(self) -> UCalls
U::from(self).That is, this conversion is whatever the implementation of
[From]<T> for Uchooses to do.
impl<T, U> TryFrom<U> for PeekMut<'a, T, A>
where
U: Into<T>,
type Error = Infallible;fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
impl<T, U> TryInto<U> for PeekMut<'a, T, A>
where
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error;fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>