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Doc example for Sink.head (#28782)

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B YI 2020-03-23 21:03:09 +08:00 • committed by GitHub
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akka-docs/src/test/java/jdocs/stream/operators/SinkDocExamples.java
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@ -78,6 +78,15 @@ public class SinkDocExamples {
// #takeLast-operator-example
}
static void headExample() {
// #head-operator-example
Source<Integer, NotUsed> source = Source.from(Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10));
CompletionStage<Integer> result = source.runWith(Sink.head(), system);
result.thenAccept(System.out::println);
// 1
// #head-operator-example
}
static void lastExample() {
// #last-operator-example
Source<Integer, NotUsed> source = Source.from(Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10));