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ilyapuchka/gist:fcb4c50ca5fb49ecc072

Last active August 29, 2015 14:25
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gistfile1.swift
func z_map<S : SequenceType, T>(source: S, transform: (S.Generator.Element) -> T?) -> [T] {
// easy, right? =)
return reduce(source, []) { r, i in map( transform(i) ) { r + [$0] } ?? r }
}
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