gravity-lang/test/unittest/check_self_postfix.gravity

#unittest {
    name: "Self check in complex postfix.";
    result: 1;
};

class Foo {
    func f1() {
        if (self is Foo) return 1;
        return 0;
    }
}

func main() {
    var f1 = Foo();
    var f2 = Foo();
    var l = [f1, f2]
    return l[0].f1();
}