Enum druid::im::ordmap::Entry

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pub enum Entry<'a, K, V>where
    K: Ord + Clone,
    V: Clone,{
    Occupied(OccupiedEntry<'a, K, V>),
    Vacant(VacantEntry<'a, K, V>),
}
Expand description

A handle for a key and its associated value.

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Occupied(OccupiedEntry<'a, K, V>)

An entry which exists in the map.

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Vacant(VacantEntry<'a, K, V>)

An entry which doesn’t exist in the map.

Implementations§

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impl<'a, K, V> Entry<'a, K, V>where K: Ord + Clone, V: Clone,

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pub fn or_insert(self, default: V) -> &'a mut V

Insert the default value provided if there was no value already, and return a mutable reference to the value.

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pub fn or_insert_with<F>(self, default: F) -> &'a mut Vwhere F: FnOnce() -> V,

Insert the default value from the provided function if there was no value already, and return a mutable reference to the value.

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pub fn or_default(self) -> &'a mut Vwhere V: Default,

Insert a default value if there was no value already, and return a mutable reference to the value.

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pub fn key(&self) -> &K

Get the key for this entry.

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pub fn and_modify<F>(self, f: F) -> Entry<'a, K, V>where F: FnOnce(&mut V),

Call the provided function to modify the value if the value exists.

Auto Trait Implementations§

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impl<'a, K, V> RefUnwindSafe for Entry<'a, K, V>where K: RefUnwindSafe, V: RefUnwindSafe,

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impl<'a, K, V> Send for Entry<'a, K, V>where K: Send + Sync, V: Send + Sync,

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impl<'a, K, V> Sync for Entry<'a, K, V>where K: Send + Sync, V: Send + Sync,

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impl<'a, K, V> Unpin for Entry<'a, K, V>where K: Unpin,

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impl<'a, K, V> !UnwindSafe for Entry<'a, K, V>

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impl<T> Any for Twhere 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 Twhere T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere 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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for Twhere U: From<T>,

const: unstable · 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.

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impl<T> RoundFrom<T> for T

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fn round_from(x: T) -> T

Performs the conversion.
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impl<T, U> RoundInto<U> for Twhere U: RoundFrom<T>,

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fn round_into(self) -> U

Performs the conversion.
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impl<T> Same<T> for T

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

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 Twhere U: TryFrom<T>,

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

The type returned in the event of a conversion error.
const: unstable · source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more