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QueryEffects

moirai::query

Struct QueryEffects 

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pub struct QueryEffects<'w> { /* private fields */ }
Expand description

Borrow-checked side-effect surface for prepared and eager query callbacks.

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impl<'w> QueryEffects<'w>

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pub fn commands(&mut self) -> Result<QueryCommands<'_>, QueryError>

Structural commands when the active stage operation is Update.

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pub fn send<E: Clone + 'static>(&mut self, event: E) -> Result<(), QueryError>

Emits a declared event when the active run guard permits that event id.

Auto Trait Implementations§

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impl<'w> !RefUnwindSafe for QueryEffects<'w>

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impl<'w> !Send for QueryEffects<'w>

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impl<'w> !Sync for QueryEffects<'w>

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impl<'w> !UnwindSafe for QueryEffects<'w>

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impl<'w> Freeze for QueryEffects<'w>

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impl<'w> Unpin for QueryEffects<'w>

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impl<'w> UnsafeUnpin for QueryEffects<'w>

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.