std_shims::vec

Struct PeekMut

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pub struct PeekMut<'a, T> { /* 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> PeekMut<'a, T>

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pub fn pop(self) -> 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> Debug for PeekMut<'_, T>
where T: Debug,

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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> Deref for PeekMut<'a, T>

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &<PeekMut<'a, T> as Deref>::Target

Dereferences the value.
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impl<'a, T> DerefMut for PeekMut<'a, T>

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

Mutably dereferences the value.

Auto Trait Implementations§

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

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

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

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

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

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

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

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 8 bytes