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MinAccumulator

laminar_core::operator::window

Struct MinAccumulator 

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pub struct MinAccumulator { /* private fields */ }
Expand description

Accumulator for min aggregation.

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impl Accumulator for MinAccumulator

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type Input = i64

The input type for the aggregation.
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type Output = Option<i64>

The output type produced by the aggregation.
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fn add(&mut self, value: i64)

Adds a value to the accumulator.
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fn merge(&mut self, other: &Self)

Merges another accumulator into this one.
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fn result(&self) -> Option<i64>

Extracts the final result from the accumulator.
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fn is_empty(&self) -> bool

Returns true if the accumulator is empty (no values added).
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impl Archive for MinAccumulator
where Option<i64>: Archive,

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const COPY_OPTIMIZATION: CopyOptimization<Self>

An optimization flag that allows the bytes of this type to be copied directly to a writer instead of calling serialize. Read more
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type Archived = ArchivedMinAccumulator

The archived representation of this type. Read more
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type Resolver = MinAccumulatorResolver

The resolver for this type. It must contain all the additional information from serializing needed to make the archived type from the normal type.
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fn resolve(&self, resolver: Self::Resolver, out: Place<Self::Archived>)

Creates the archived version of this value at the given position and writes it to the given output. Read more
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impl Clone for MinAccumulator

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fn clone(&self) -> MinAccumulator

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 Debug for MinAccumulator

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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 Default for MinAccumulator

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fn default() -> MinAccumulator

Returns the “default value” for a type. Read more
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impl<__D: Fallible + ?Sized> Deserialize<MinAccumulator, __D> for Archived<MinAccumulator>
where Option<i64>: Archive, <Option<i64> as Archive>::Archived: Deserialize<Option<i64>, __D>,

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fn deserialize( &self, deserializer: &mut __D, ) -> Result<MinAccumulator, <__D as Fallible>::Error>

Deserializes using the given deserializer
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impl<__S: Fallible + ?Sized> Serialize<__S> for MinAccumulator
where Option<i64>: Serialize<__S>,

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fn serialize( &self, serializer: &mut __S, ) -> Result<<Self as Archive>::Resolver, <__S as Fallible>::Error>

Writes the dependencies for the object and returns a resolver that can create the archived type.

Auto Trait Implementations§

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> ArchivePointee for T

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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.
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fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.
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impl<T> ArchiveUnsized for T
where T: Archive,

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type Archived = <T as Archive>::Archived

The archived counterpart of this type. Unlike Archive, it may be unsized. Read more
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fn archived_metadata( &self, ) -> <<T as ArchiveUnsized>::Archived as ArchivePointee>::ArchivedMetadata

Creates the archived version of the metadata for this value.
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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> 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>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> LayoutRaw for T

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fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>

Returns the layout of the type.
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impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
where T: SharedNiching<N1, N2>, N1: Niching<T>, N2: Niching<T>,

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unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool

Returns whether the given value has been niched. Read more
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fn resolve_niched(out: Place<NichedOption<T, N1>>)

Writes data to out indicating that a T is niched.
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impl<T> Pointee for T

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type Metadata = ()

The metadata type for pointers and references to this type.
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impl<T> PolicyExt for T
where T: ?Sized,

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fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns [Action::Follow] only if self and other return Action::Follow. Read more
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fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns [Action::Follow] if either self or other returns Action::Follow. 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<T> Scope for T

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fn with<F, R>(self, f: F) -> R
where Self: Sized, F: FnOnce(Self) -> R,

Scoped with ownership.
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fn with_ref<F, R>(&self, f: F) -> R
where F: FnOnce(&Self) -> R,

Scoped with reference.
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fn with_mut<F, R>(&mut self, f: F) -> R
where F: FnOnce(&mut Self) -> R,

Scoped with mutable reference.
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impl<T, S> SerializeUnsized<S> for T
where T: Serialize<S>, S: Fallible + Writer + ?Sized,

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fn serialize_unsized( &self, serializer: &mut S, ) -> Result<usize, <S as Fallible>::Error>

Writes the object and returns the position of the archived type.
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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> 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

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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>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

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impl<T> Value for T
where T: Send + Sync + 'static,