typemap_rev

Struct VacantEntry

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

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

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

Auto Trait Implementations§

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impl<'a, K, S> Freeze for VacantEntry<'a, K, S>
where S: ?Sized,

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impl<'a, K, S> RefUnwindSafe for VacantEntry<'a, K, S>
where <K as TypeMapKey>::Value: RefUnwindSafe, S: RefUnwindSafe + ?Sized,

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impl<'a, K, S> Send for VacantEntry<'a, K, S>
where S: Send + ?Sized,

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impl<'a, K, S> Sync for VacantEntry<'a, K, S>
where S: Sync + ?Sized,

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impl<'a, K, S> Unpin for VacantEntry<'a, K, S>
where S: ?Sized,

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

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<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.