mizchi/TypedCoffeeScript — pull request #1 by pasberth (2013-10-26 09:27:49+00:00)
Title: Add type expression of pair, triple, n-tuples.

add3 :: (Number, Number) -> Number = (x, y) -> x + y

の代わりに

add3 :: Number * Number -> Number = (x, y) -> x + y

と書くようにしましょう!