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Docs: Reduce operator (#29641)

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Co-authored-by: Arnout Engelen <github@bzzt.net>
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Muskan Gupta 2020-09-22 18:58:35 +05:30 • committed by GitHub
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akka-docs/src/test/java/jdocs/stream/operators/SourceOrFlow.java
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@ -456,6 +456,15 @@ class SourceOrFlow {
// #dropWhile
}
static void reduceExample() {
// #reduceExample
Source<Integer, NotUsed> source = Source.range(1, 100).reduce((acc, element) -> acc + element);
CompletionStage<Integer> result = source.runWith(Sink.head(), system);
result.thenAccept(System.out::println);
// 5050
// #reduceExample
}
void watchExample() {
// #watch
final ActorRef ref = someActor();