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dkomanov/ForComprehensions3.scala

Created May 22, 2020 22:16
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[writing-async-app-in-scala-part-1] for-comprehensions 3
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ForComprehensions3.scala
implicit class BooleanFutureExtensions(val future: Future[Boolean]) extends AnyVal {
def orFail(e: => Throwable): Future[Boolean] =
future.transform(t => if (t.isSuccess && !t.get) Failure(e) else t)
}
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