EventPublication.first_take: def of bendvy-ecs-core@0.1.0.4
Import: import bendvy-ecs-core@0.1.0.4/event_publication.bend as EventPublication
Lines 18-20 of bendvy-ecs-core@0.1.0.4/event_publication.bend: https://jend.leeeet.dev/read.txt?path=bendvy-ecs-core@0.1.0.4/event_publication.bend&start_line=18&end_line=20

import Base
import event_stream.bend as Leaf

def first_take(~S:Data,~A:Data,~B:Data,~H:Type,streams:Streams<S,A,B,H>) -> Streams<S,A,B,H> & Leaf.Stream<S,A>:
  match streams:
    case Streams{+first,second,owners}:(Streams{first,second,owners},first)

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.4/event_publication.bend&name=Streams
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.4/event_stream.bend&name=Stream