package two

type coords struct {
	x int
	y int
}

func newCoords(x, y int) coords {
	return coords{x, y}
}

type antenna struct {
	coords
	identifier rune
}

func newAntenna(x, y int, identifier rune) antenna {
	coords := newCoords(x, y)
	return antenna{coords: coords, identifier: identifier}
}