aoc2024/day-10/internal/two/neighbours.go

package two

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