struct A {
	int a, b
}

/; method A
	/; add_one
		int a = self.a + 1
	;/
;/

/; main (uint argc, ~~uint8 argv) [uint]
	A a
	a.a = 1
	a.b = 2
	a.add_one()
	return a.a + a.b
;/