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MapHandle

raii_map::map

Struct MapHandle 

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pub struct MapHandle<K: Ord, V, O: OwnerMut<Map<K, V>>> { /* private fields */ }
Expand description

A RAII handle to data in a Map.

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impl<K: Ord, V, O: OwnerMut<Map<K, V>>> Drop for MapHandle<K, V, O>

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fn drop(&mut self)

Executes the destructor for this type. Read more
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fn pin_drop(self: Pin<&mut Self>)

🔬This is a nightly-only experimental API. (pin_ergonomics)
Execute the destructor for this type, but different to Drop::drop, it requires self to be pinned. Read more
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impl<K: Ord, V, O: OwnerMut<Map<K, V>>> Owner<O> for MapHandle<K, V, O>

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fn with<'a, U>(&'a self, f: impl FnOnce(&O) -> U) -> Option<U>
where O: 'a,

Applies the given function to the contained value, if it exists.

Auto Trait Implementations§

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impl<K, V, O> Freeze for MapHandle<K, V, O>
where K: Freeze, O: Freeze,

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impl<K, V, O> RefUnwindSafe for MapHandle<K, V, O>
where K: RefUnwindSafe, O: RefUnwindSafe, V: RefUnwindSafe,

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impl<K, V, O> Send for MapHandle<K, V, O>
where K: Send, O: Send, V: Send,

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impl<K, V, O> Sync for MapHandle<K, V, O>
where K: Sync, O: Sync, V: Sync,

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impl<K, V, O> Unpin for MapHandle<K, V, O>
where K: Unpin, O: Unpin, V: Unpin,

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impl<K, V, O> UnsafeUnpin for MapHandle<K, V, O>
where K: UnsafeUnpin, O: UnsafeUnpin,

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impl<K, V, O> UnwindSafe for MapHandle<K, V, O>
where K: UnwindSafe, O: UnwindSafe, V: UnwindSafe,

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.