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tstone/unlessable.scala

Created November 11, 2013 22:11
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unlessable.scala
implicit class Unlessable[A](a: => A) {
def unless(p: => Boolean) = if (!p) Some(a) else None
}
implicit class Iffable[A](a: => A) {
def iff(p: => Boolean) = if (p) Some(a) else None
}
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