aoc2024/day-18/internal/two/neighbours.go

package two

import "github.com/onyx-and-iris/aoc2024/day-18/internal/point"

func neighbours(p point.Point) [4]point.Point {
	return [4]point.Point{
		{X: p.X, Y: p.Y - 1}, // N
		{X: p.X + 1, Y: p.Y}, // E
		{X: p.X, Y: p.Y + 1}, // S
		{X: p.X - 1, Y: p.Y}, // W
	}
}