■ Stream<T> 클래스의 length 속성을 사용하는 방법을 보여준다.
▶ 예제 코드 (DART)
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import 'dart:async'; main() { Stream<int> stream = Stream.fromIterable([1, 2, 3, 4, 5]); stream.length.then((value) => print('항목 수 : $value')); } |
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