gravity-lang/test/unittest/04-codegen/multiple_call.gravity

#unittest {
	name: "Test multiple call.";
	error: NONE;
	result: 123;
};

func f1() {return 123;}
func f2() {return f1;}
func f3() {return f2;}
func f4() {return f3;}
func f5() {return f4;}

func main() {
	return f5()()()()();
}