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Select

zrx::stream::operator

Struct Select 

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pub struct Select<I, T> { /* private fields */ }
Expand description

Select operator.

Trait Implementations§

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impl<I, T> Action<I> for Select<I, T>
where I: Id + Value, T: Value,

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fn execute( &mut self, ctx: Context<'_, I, Select<I, T>>, ) -> impl IntoSteps<I, Select<I, T>>

Executes the operator.

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type Inputs = (T,)

Input types of action.
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type Output<'a> = Vec<(Key<I>, T)>

Output type of action.
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impl<I, T> Debug for Select<I, T>
where I: Debug, T: Debug,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<I, T> !RefUnwindSafe for Select<I, T>

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impl<I, T> !UnwindSafe for Select<I, T>

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impl<I, T> Freeze for Select<I, T>

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impl<I, T> Send for Select<I, T>
where T: Send, I: Sync + Send,

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impl<I, T> Sync for Select<I, T>
where T: Sync, I: Sync + Send,

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impl<I, T> Unpin for Select<I, T>
where T: Unpin,

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impl<I, T> UnsafeUnpin for Select<I, T>

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> Arguments for T
where T: Send + Sync + 'static,

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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> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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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.