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

package one

func neighbours(p point) [8]point {
	return [8]point{
		{p.x, p.y - 1, N},
		{p.x + 1, p.y - 1, NE},
		{p.x + 1, p.y, E},
		{p.x + 1, p.y + 1, SE},
		{p.x, p.y + 1, S},
		{p.x - 1, p.y + 1, SW},
		{p.x - 1, p.y, W},
		{p.x - 1, p.y - 1, NW},
	}
}