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Conditional

Struct Conditional 

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pub struct Conditional<T, P> { /* private fields */ }
Expand description

Conditionally apply a transform based on a predicate

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impl<T, P> Conditional<T, P>

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pub fn new(transform: T, predicate: P) -> Self

Create a new conditional transform

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impl<T: Clone, P: Clone> Clone for Conditional<T, P>

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fn clone(&self) -> Conditional<T, P>

Returns a duplicate 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<T: Debug, P: Debug> Debug for Conditional<T, P>

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

Formats the value using the given formatter. Read more
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impl<T, U, P> Transform<T> for Conditional<U, P>
where U: Transform<T, Output = T>, P: Fn(&T) -> bool + Send + Sync,

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type Output = T

Output type after transformation
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fn transform(&self, input: T) -> Result<Self::Output>

Apply the transformation to a single input
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fn is_deterministic(&self) -> bool

Check if the transform is deterministic Read more
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fn transform_batch(&self, inputs: Vec<T>) -> Result<Vec<Self::Output>>

Transform multiple items in batch Read more

Auto Trait Implementations§

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impl<T, P> Freeze for Conditional<T, P>
where T: Freeze, P: Freeze,

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impl<T, P> RefUnwindSafe for Conditional<T, P>

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impl<T, P> Send for Conditional<T, P>
where T: Send, P: Send,

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impl<T, P> Sync for Conditional<T, P>
where T: Sync, P: Sync,

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impl<T, P> Unpin for Conditional<T, P>
where T: Unpin, P: Unpin,

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impl<T, P> UnsafeUnpin for Conditional<T, P>
where T: UnsafeUnpin, P: UnsafeUnpin,

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impl<T, P> UnwindSafe for Conditional<T, P>
where T: UnwindSafe, P: 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

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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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> Same for T

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type Output = T

Should always be Self
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impl<SS, SP> SupersetOf<SS> for SP
where SS: SubsetOf<SP>,

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fn to_subset(&self) -> Option<SS>

The inverse inclusion map: attempts to construct self from the equivalent element of its superset. Read more
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fn is_in_subset(&self) -> bool

Checks if self is actually part of its subset T (and can be converted to it).
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fn to_subset_unchecked(&self) -> SS

Use with care! Same as self.to_subset but without any property checks. Always succeeds.
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fn from_subset(element: &SS) -> SP

The inclusion map: converts self to the equivalent element of its superset.
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impl<T> ToOwned for T
where 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> TransformExt<T> for U
where U: Transform<T> + 'static,

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fn then<U>(self, next: U) -> Chain<Self, U>
where U: Transform<Self::Output>,

Chain this transform with another Read more
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fn when<P>(self, predicate: P) -> Conditional<Self, P>
where P: Fn(&T) -> bool + Send + Sync,

Apply this transform conditionally based on a predicate Read more
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fn boxed(self) -> Box<dyn Transform<T, Output = Self::Output> + Send + Sync>

Convert to a boxed trait object for dynamic dispatch
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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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V