Query

vegemite::systems

Struct Query 

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pub struct Query<K>(pub K::Value)
where
    K: TypeCacheKey;
Expand description

“Query” a value from the global_cache of the RequestState and clone it.

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§0: K::Value

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impl<K> Resolve for Query<K>
where K: TypeCacheKey, K::Value: Clone,

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fn resolve(ctx: &mut RequestState<'_>) -> ResolveGuard<Self>

Auto Trait Implementations§

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impl<K> Freeze for Query<K>
where <K as TypeCacheKey>::Value: Freeze,

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impl<K> RefUnwindSafe for Query<K>
where <K as TypeCacheKey>::Value: RefUnwindSafe,

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impl<K> Send for Query<K>

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impl<K> Sync for Query<K>

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impl<K> Unpin for Query<K>
where <K as TypeCacheKey>::Value: Unpin,

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impl<K> UnwindSafe for Query<K>
where <K as TypeCacheKey>::Value: UnwindSafe,

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.