Struct rustc_query_system::cache::Cache

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pub struct Cache<Key, Value> {
    hashmap: Lock<FxHashMap<Key, WithDepNode<Value>>>,
}

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§hashmap: Lock<FxHashMap<Key, WithDepNode<Value>>>

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impl<Key, Value> Cache<Key, Value>

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pub fn clear(&self)

Actually frees the underlying memory in contrast to what stdlib containers do on clear

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impl<Key: Eq + Hash, Value: Clone> Cache<Key, Value>

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pub fn get<Tcx: DepContext>(&self, key: &Key, tcx: Tcx) -> Option<Value>

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pub fn insert(&self, key: Key, dep_node: DepNodeIndex, value: Value)

Trait Implementations§

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impl<Key: Clone, Value: Clone> Clone for Cache<Key, Value>

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fn clone(&self) -> Self

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<Key, Value> Default for Cache<Key, Value>

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fn default() -> Self

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

Auto Trait Implementations§

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impl<Key, Value> !RefUnwindSafe for Cache<Key, Value>

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impl<Key, Value> Send for Cache<Key, Value>where Key: Send, Value: Send,

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impl<Key, Value> !Sync for Cache<Key, Value>

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impl<Key, Value> Unpin for Cache<Key, Value>where Key: Unpin, Value: Unpin,

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impl<Key, Value> UnwindSafe for Cache<Key, Value>where Key: UnwindSafe, Value: UnwindSafe,

Blanket 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,

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,

const: unstable · source§

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>,

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> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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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.

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.

Size: 40 bytes