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OCaml
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2019-05-12 20:46:25 +00:00
let map_h_2 f g (a , b) = (f a , g b)
let map2 f (a, b) = (f a, f b)
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let map3 f (a , b , c) = (f a , f b , f c)
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let apply2 f (a, b) = f a b
let list2 (a, b) = [a;b]
module Pair = struct
let map = map2
let apply f (a, b) = f a b
end