pub struct GroupArrayAggregator<T>where
T: Clone,{ /* private fields */ }Expand description
groupArray(n) — collects up to n values. Preserves order.
Implementations§
Source§impl<T> GroupArrayAggregator<T>where
T: Clone,
impl<T> GroupArrayAggregator<T>where
T: Clone,
Sourcepub fn new(limit: usize) -> GroupArrayAggregator<T>
pub fn new(limit: usize) -> GroupArrayAggregator<T>
Pass 0 for unbounded (careful — high-cardinality groups can
blow memory).
pub fn add(&mut self, value: T)
pub fn merge(&mut self, other: &GroupArrayAggregator<T>)
pub fn finalize(&self) -> Vec<T>
pub fn len(&self) -> usize
pub fn is_empty(&self) -> bool
Trait Implementations§
Source§impl<T> Clone for GroupArrayAggregator<T>where
T: Clone,
impl<T> Clone for GroupArrayAggregator<T>where
T: Clone,
Source§fn clone(&self) -> GroupArrayAggregator<T>
fn clone(&self) -> GroupArrayAggregator<T>
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreAuto Trait Implementations§
impl<T> Freeze for GroupArrayAggregator<T>
impl<T> RefUnwindSafe for GroupArrayAggregator<T>where
T: RefUnwindSafe,
impl<T> Send for GroupArrayAggregator<T>where
T: Send,
impl<T> Sync for GroupArrayAggregator<T>where
T: Sync,
impl<T> Unpin for GroupArrayAggregator<T>where
T: Unpin,
impl<T> UnsafeUnpin for GroupArrayAggregator<T>
impl<T> UnwindSafe for GroupArrayAggregator<T>where
T: UnwindSafe,
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Source§impl<T> Instrument for T
impl<T> Instrument for T
Source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
Source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
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 moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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 moreSource§impl<T> IntoRequest<T> for T
impl<T> IntoRequest<T> for T
Source§fn into_request(self) -> Request<T>
fn into_request(self) -> Request<T>
Wrap the input message
T in a tonic::Request