zio-streams
API
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zio-streams/zio.stream/ZStream/GroupBy

GroupBy

zio.stream.ZStream$.GroupBy
sealed trait GroupBy[-R, +E, +K, +V]

Representation of a grouped stream. This allows to filter which groups will be processed. Once this is applied all groups will be processed in parallel and the results will be merged in arbitrary order.

Attributes

Graph
Supertypes
class Object
trait Matchable
class Any
Self type
GroupBy[R, E, K, V]

Members list

Concise view

Value members

Abstract methods

protected def grouped(implicit trace: Trace): ZStream[R, E, (K, Dequeue[Take[E, V]])]

Concrete methods

def apply[R1 <: R, E1 >: E, A](f: (K, ZStream[Any, E, V]) => ZStream[R1, E1, A], buffer: => Int)(implicit trace: Trace): ZStream[R1, E1, A]

Run the function across all groups, collecting the results in an arbitrary order.

Run the function across all groups, collecting the results in an arbitrary order.

Attributes

def filter(f: K => Boolean): GroupBy[R, E, K, V]

Filter the groups to be processed.

Filter the groups to be processed.

Attributes

def first(n: => Int): GroupBy[R, E, K, V]

Only consider the first n groups found in the stream.

Only consider the first n groups found in the stream.

Attributes

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