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added map to sets

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Simon Hafner 2014-02-10 12:44:44 -06:00
commit 0b5c14962e
2 changed files with 17 additions and 0 deletions
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lib/pure/collections/sets.nim
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@ -241,3 +241,7 @@ proc `<=`*[A](s, t: TSet[A]): bool =
proc `==`*[A](s, t: TSet[A]): bool =
s.counter == t.counter and s <= t
proc map*[A, B](data: TSet[A], op: proc (x: A): B {.closure.}): TSet[A] =
result = initSet[B]()
for i in data: result.incl(op(i))