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QueryStorage

bhc_query

Struct QueryStorage 

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pub struct QueryStorage<Q: Query> { /* private fields */ }
Expand description

Storage for a specific query type.

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impl<Q: Query> QueryStorage<Q>

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pub fn new(query: Q) -> Self

Create new storage for a query.

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pub fn get(&self, db: &dyn QueryDatabase, key: &Q::Key) -> QueryResult<Q::Value>

Execute the query, returning a memoized result if available.

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pub fn invalidate_all(&self)

Invalidate all cached results for this query.

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pub fn invalidate(&self, key: &Q::Key)

Invalidate a specific key.

Auto Trait Implementations§

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impl<Q> Freeze for QueryStorage<Q>
where Q: Freeze,

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impl<Q> !RefUnwindSafe for QueryStorage<Q>

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impl<Q> Send for QueryStorage<Q>

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impl<Q> Sync for QueryStorage<Q>

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impl<Q> Unpin for QueryStorage<Q>
where Q: Unpin,

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impl<Q> UnsafeUnpin for QueryStorage<Q>
where Q: UnsafeUnpin,

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impl<Q> UnwindSafe for QueryStorage<Q>
where Q: UnwindSafe, <Q as Query>::Key: UnwindSafe, <Q as Query>::Value: UnwindSafe,

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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

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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> 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>

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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).

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

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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>

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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>,

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