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oisdk/everyOf.Swift

Created June 15, 2015 16:41
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everyOf.Swift
func everyOf<T>(var seqs: [[T]]) -> [[T]] {
return seqs.isEmpty ? [[]] :
{ f in everyOf(seqs).flatMap { s in f.map{ s + [$0] }}}( seqs.removeLast() )
}
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