original.name="TypeEquals_Valid_33"
======
>>> main.whiley


type pos is (int p) where p > 0

type neg is (int n) where n < 0

type expr is pos | neg

function f(expr e) -> bool:
    if e is pos:
        return true
    else:
        return false

public export method test() :
    assume f((neg) -1) == false
    assume f((pos) 1) == true
    assume f((pos) 1234) == true

---