Skip to main content

VacantEntry

typemap_rev

Struct VacantEntry 

Source 
pub struct VacantEntry<'a, K, S: ?Sized = DefaultStorage>
where
    K: TypeMapKey,
{ /* private fields */ }

Implementations§

Source§

impl<'a, K, S> VacantEntry<'a, K, S>
where K: TypeMapKey, K::Value: IntoBox<S>, S: ?Sized + Any + Send + Sync,

Source

pub fn insert(self, value: K::Value) -> &'a mut K::Value

Auto Trait Implementations§

§

impl<'a, K, S = dyn Any + Sync + Send> !UnwindSafe for VacantEntry<'a, K, S>

§

impl<'a, K, S> Freeze for VacantEntry<'a, K, S>
where VacantEntry<'a, TypeId, Box<S>>: Freeze, PhantomData<&'a <K as TypeMapKey>::Value>: Freeze, S: ?Sized,

§

impl<'a, K, S> RefUnwindSafe for VacantEntry<'a, K, S>
where VacantEntry<'a, TypeId, Box<S>>: RefUnwindSafe, PhantomData<&'a <K as TypeMapKey>::Value>: RefUnwindSafe, S: ?Sized,

§

impl<'a, K, S> Send for VacantEntry<'a, K, S>
where VacantEntry<'a, TypeId, Box<S>>: Send, PhantomData<&'a <K as TypeMapKey>::Value>: Send, S: ?Sized,

§

impl<'a, K, S> Sync for VacantEntry<'a, K, S>
where VacantEntry<'a, TypeId, Box<S>>: Sync, PhantomData<&'a <K as TypeMapKey>::Value>: Sync, S: ?Sized,

§

impl<'a, K, S> Unpin for VacantEntry<'a, K, S>
where VacantEntry<'a, TypeId, Box<S>>: Unpin, PhantomData<&'a <K as TypeMapKey>::Value>: Unpin, S: ?Sized,

§

impl<'a, K, S> UnsafeUnpin for VacantEntry<'a, K, S>
where VacantEntry<'a, TypeId, Box<S>>: UnsafeUnpin, PhantomData<&'a <K as TypeMapKey>::Value>: UnsafeUnpin, S: ?Sized,

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 = !

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

fn try_from(value: U) -> Result<T, !>

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.