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Merge pull request #25951 from RayRoestenburg/wip-context-operators

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SourceWithContext and FlowWithContext
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Patrik Nordwall 2019-01-18 17:27:10 +01:00 • committed by GitHub
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12 changed files with 1061 additions and 1 deletions
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8
akka-stream/src/main/scala/akka/stream/scaladsl/Source.scala
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@ -7,7 +7,7 @@ package akka.stream.scaladsl
import java.util.concurrent.CompletionStage
import akka.actor.{ ActorRef, Cancellable, Props }
import akka.annotation.InternalApi
import akka.annotation.{ ApiMayChange, InternalApi }
import akka.stream.actor.ActorPublisher
import akka.stream.impl.Stages.DefaultAttributes
import akka.stream.impl.fusing.GraphStages
@ -215,6 +215,12 @@ final class Source[+Out, +Mat](
combineRest(2, rest.iterator)
})
/**
* API MAY CHANGE
*/
@ApiMayChange
def startContextPropagation[Ctx](f: Out ⇒ Ctx): SourceWithContext[Ctx, Out, Mat] = new SourceWithContext(this.map(e ⇒ (e, f(e))))
}
object Source {