minitt 0.2.4

let a: Πx: bool. bool = λx. x;
-- Pi, lambda

let b: bool ✖ bool × bool = (1, 1, 1);
-- Multiplication, both OK

let c: Σx: bool. bool = bla;
-- Sigma

let d: bool → bool = split
 { True _ ⇒ False 0
 | False _ ⇒ True 0
 };
-- Arrows