Created
December 8, 2016 03:29
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Map combinator
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| module Map | |
| export | |
| map : [a b : Data]. (a -> b) -> Stream# a -> Stream# b | |
| with letrec | |
| unwrap [a : Data] (xx : Tuple1# a) : a = case xx of T1# a -> a | |
| map [a b : Data] (f : a -> b) (as : Stream# a) : Stream# b | |
| = unwrap (stream_1_1# (\inp out. letrec | |
| p1 = pull# inp p2 | |
| p2 v = push# out (f v) p3 | |
| p3 = drop# inp p1 | |
| in p1) as) |
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