33 lines
790 B
Scala
33 lines
790 B
Scala
/**
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* Copyright (C) 2016-2018 Lightbend Inc. <https://www.lightbend.com>
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*/
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package akka.stream.scaladsl
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//#prepend
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import akka.stream.scaladsl.Source
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import akka.stream.scaladsl.Sink
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//#prepend
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import akka.stream.{ ActorMaterializer, ActorMaterializerSettings }
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import akka.testkit.AkkaSpec
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class FlowPrependSpec extends AkkaSpec {
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val settings = ActorMaterializerSettings(system)
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implicit val materializer = ActorMaterializer(settings)
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"An Prepend flow" should {
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"work in entrance example" in {
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//#prepend
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val ladies = Source(List("Emma", "Emily"))
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val gentlemen = Source(List("Liam", "William"))
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gentlemen.prepend(ladies).runWith(Sink.foreach(println))
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// this will print "Emma", "Emily", "Liam", "William"
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//#prepend
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}
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}
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}
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