aoc2024/day-04/internal/two/neighbours.go

package two

func neighbours(p point) [4]point {
	return [4]point{
		{p.x - 1, p.y - 1, NW},
		{p.x + 1, p.y - 1, NE},
		{p.x + 1, p.y + 1, SE},
		{p.x - 1, p.y + 1, SW},
	}
}