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; lowercase types: polymorphic
; everything else: monomorphic
(type compose (\[
(\[b] c) ; f
(\[a] b)] ; g
(\[a] c)))
(let!
compose (\[f g] (\[x] (f (g x)))))
((compose (+ 1) (+ 2)) 3)
(type id (\[a] a))
(let! id (\[a] a))
(type mod (\[Int Int] Int))
(let! mod (\[n k]
(- n (* k (/ n k)))))
(type not (\[Bool] Bool))
(let! not (\[b]
(match b
true false
false true)))
(type is-even (\[Int] Bool))
(let! is-even (\[n]
(match (mod n 2)
0 true
1 false)))
; match cannot be type annotated because its variadic
; but the match above is inferred as this:
(type match (\[a a b a b] b))
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