dense_map

Struct VacantEntry

Source 
pub struct VacantEntry<'a, K, T> { /* private fields */ }
Expand description

A view into a vacant entry in a map. It is part of the Entry enum.

Implementations§

Source§

impl<'a, K, T> VacantEntry<'a, K, T>

Source

pub fn insert(self, value: T) -> &'a mut T
where K: EntryKey,

Sets the value of the entry with the VacantEntry’s key, and returns a mutable reference to it.

Source

pub fn key(&self) -> &K

Gets a reference to the key that would be used when inserting a value through the VacantEntry.

Source

pub fn into_key(self) -> K

Take ownership of the key.

Auto Trait Implementations§

§

impl<'a, K, T> Freeze for VacantEntry<'a, K, T>
where K: Freeze,

§

impl<'a, K, T> RefUnwindSafe for VacantEntry<'a, K, T>
where K: RefUnwindSafe, T: RefUnwindSafe,

§

impl<'a, K, T> Send for VacantEntry<'a, K, T>
where K: Send, T: Send,

§

impl<'a, K, T> Sync for VacantEntry<'a, K, T>
where K: Sync, T: Sync,

§

impl<'a, K, T> Unpin for VacantEntry<'a, K, T>
where K: Unpin,

§

impl<'a, K, T> !UnwindSafe for VacantEntry<'a, K, 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<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.