Struct PeekMut

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pub struct PeekMut<'a, T, A = Global>where
    A: Allocator,
{ /* private fields */ }

🔬This is a nightly-only experimental API. (vec_peek_mut)

Expand description

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.

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impl<'a, T, A> PeekMut<'a, T, A>
where A: Allocator,

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pub fn pop(this: PeekMut<'a, T, A>) -> T

🔬This is a nightly-only experimental API. (vec_peek_mut)

Removes the peeked value from the vector and returns it.

Trait Implementations§

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impl<T, A> Debug for PeekMut<'_, T, A>
where T: Debug, A: Allocator,

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

Formats the value using the given formatter. Read more

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impl<'a, T, A> Deref for PeekMut<'a, T, A>
where A: Allocator,

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type Target = T

The resulting type after dereferencing.

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fn deref(&self) -> &<PeekMut<'a, T, A> as Deref>::Target

Dereferences the value.

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impl<'a, T, A> DerefMut for PeekMut<'a, T, A>
where A: Allocator,

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fn deref_mut(&mut self) -> &mut <PeekMut<'a, T, A> as Deref>::Target

Mutably dereferences the value.

Auto Trait Implementations§

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

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

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impl<'a, T, A = Global> !UnwindSafe for PeekMut<'a, T, A>

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

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impl<T> DTypeCastAPI<T> for T

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fn into_cast(self) -> T

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impl<T> DTypePromoteAPI<T> for T

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const SAME_TYPE: bool = true

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const CAN_CAST_SELF: bool = true

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const CAN_CAST_OTHER: bool = true

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type Res = T

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fn promote_self(self) -> <T as DTypePromoteAPI<T>>::Res

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fn promote_other(val: T) -> <T as DTypePromoteAPI<T>>::Res

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fn promote_pair(self, val: T) -> (Self::Res, Self::Res)
where Self: Sized,

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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