Struct selectors::nth_index_cache::NthIndexCacheInner

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pub struct NthIndexCacheInner(FxHashMap<OpaqueElement, i32>);
Expand description

The concrete per-pseudo-class cache.

Tuple Fields§

§0: FxHashMap<OpaqueElement, i32>

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impl NthIndexCacheInner

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pub fn lookup(&mut self, el: OpaqueElement) -> Option<i32>

Does a lookup for a given element in the cache.

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pub fn insert(&mut self, element: OpaqueElement, index: i32)

Inserts an entry into the cache.

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pub fn is_empty(&self) -> bool

Returns whether the cache is empty.

Trait Implementations§

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impl Default for NthIndexCacheInner

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fn default() -> NthIndexCacheInner

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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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,

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

Performs the conversion.