//stream_create_from_future.dart文件 import 'dart:async'; void main(){ //创建一个Stream createStream(); } createStream() async{ print("开始测试"); //创建一个Future对象 Future future = Future((){ return "异步任务"; }); //从Future创建Stream Stream stream = Stream .fromFuture(future); //await for循环从流中读取 await for(var s in stream){ print(s); } print("结束测试"); }
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