PeekMut

Struct PeekMut 

Source
pub struct PeekMut<'a, T> { /* private fields */ }
Available on crate features std or alloc only.
Expand description

Peeks into the last item of the vector mutably.

This struct implements Deref and DerefMut to the last item of the vector.

Implementations§

Source§

impl<'a, T> PeekMut<'a, T>

Source

pub const fn new(non_empty: &'a mut NonEmptyVec<T>) -> Self

Constructs Self.

Source

pub fn pop(self) -> Option<T>

Removes the last item from the vector and returns it, or None if the vector would become empty.

Trait Implementations§

Source§

impl<T> Deref for PeekMut<'_, T>

Source§

type Target = T

The resulting type after dereferencing.
Source§

fn deref(&self) -> &Self::Target

Dereferences the value.
Source§

impl<T> DerefMut for PeekMut<'_, T>

Source§

fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.

Auto Trait Implementations§

§

impl<'a, T> Freeze for PeekMut<'a, T>

§

impl<'a, T> RefUnwindSafe for PeekMut<'a, T>
where T: RefUnwindSafe,

§

impl<'a, T> Send for PeekMut<'a, T>
where T: Send,

§

impl<'a, T> Sync for PeekMut<'a, T>
where T: Sync,

§

impl<'a, T> Unpin for PeekMut<'a, T>

§

impl<'a, T> !UnwindSafe for PeekMut<'a, T>

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

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

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

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

Source§

impl<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

Source§

type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.