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blouerat/retry.scala

Created March 24, 2015 14:37
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Retry
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retry.scala
def retry[F[_]: Monad, E, A](f: => EitherT[F, E, A])(n: Int): EitherT[F, List[E], A] =
Stream.fill(n)(f).traverseU(_.swap).map(_.toList).swap
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