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Haskell operator g ... f = \x1 .. xn -> g (f x1 .. xn). Compose
functions such that all arguments are applied. Obviates (.).(.) and
similar patterns in some cases.
Examples
Add four numbers
> ((+) ... (+) ... (+)) (1 :: Int) 2 3 4
10
About
Haskell operator `g ... f = \x1 .. xn -> g (f x1 .. xn)`.