Scala:在其他期货完成时完成期货 [英] Scala: completing a Future when other Futures are completed
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问题描述
我引用了n个Future实例f1,.....fn.是否可以使用Future.apply创建仅在n个Future中的至少一个完成时才执行的Future，而无需不断检查其完成状态，而是通过更有效的方式(也许是回调)来完成?
I have references to n Future instances f1,.....fn. Is it possible to use Future.apply to create a Future that would complete only when at least one of the n Futures completes, without constantly checking their completion status, but instead by some more efficient way, maybe a callback?
推荐答案
Future.firstCompletedOf(Seq(f1, ..., fn))
