original.name="Function_Valid_16" ====== >>> main.whiley function f(int x) -> (int y) // Return must be greater than input ensures x < y: // return x + 1 function g(int x, int y) -> int requires x > y: return x + y public export method test() : int a = 2 int b = 1 if a < b: a = f(b) int x = g(a, b) assume x == 3 ---