pub struct RawEntryBuilder<'a, K, V, S> { /* private fields */ }
Expand description

A builder for computing where in an IndexMap a key-value pair would be stored.

This struct is created by the IndexMap::raw_entry_v1 method, provided by the RawEntryApiV1 trait. See its documentation for more.

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impl<'a, K, V, S> RawEntryBuilder<'a, K, V, S>

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pub fn from_key<Q>(self, key: &Q) -> Option<(&'a K, &'a V)>
where S: BuildHasher, Q: ?Sized + Hash + Equivalent<K>,

Access an entry by key.

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pub fn from_key_hashed_nocheck<Q>( self, hash: u64, key: &Q ) -> Option<(&'a K, &'a V)>
where Q: ?Sized + Equivalent<K>,

Access an entry by a key and its hash.

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pub fn from_hash<F>(self, hash: u64, is_match: F) -> Option<(&'a K, &'a V)>
where F: FnMut(&K) -> bool,

Access an entry by hash.

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pub fn from_hash_full<F>( self, hash: u64, is_match: F ) -> Option<(usize, &'a K, &'a V)>
where F: FnMut(&K) -> bool,

Access an entry by hash, including its index.

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pub fn index_from_hash<F>(self, hash: u64, is_match: F) -> Option<usize>
where F: FnMut(&K) -> bool,

Access the index of an entry by hash.

Trait Implementations§

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impl<K, V, S> Debug for RawEntryBuilder<'_, K, V, S>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<'a, K, V, S> Freeze for RawEntryBuilder<'a, K, V, S>

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impl<'a, K, V, S> RefUnwindSafe for RawEntryBuilder<'a, K, V, S>

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impl<'a, K, V, S> Send for RawEntryBuilder<'a, K, V, S>
where K: Sync, S: Sync, V: Sync,

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impl<'a, K, V, S> Sync for RawEntryBuilder<'a, K, V, S>
where K: Sync, S: Sync, V: Sync,

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impl<'a, K, V, S> Unpin for RawEntryBuilder<'a, K, V, S>

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impl<'a, K, V, S> UnwindSafe for RawEntryBuilder<'a, K, V, 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.