15 // var x3 = f(x1, x2);
21 isE(x) :: [a] -> Bool {
32 // (Int, Bool) x4 = (4, True);
33 // //Bool y1 = isEmpty(x2); //gives weird type error, not sure why
35 [Int] x1 = 8 : 2 : [];
36 (Bool, Int) z = (True, 2);
38 var x = (True, 5) : (False,0) : [];