package one

import "github.com/onyx-and-iris/aoc2024/day-20/internal/point"

type direction int

const (
	N direction = iota
	E
	S
	W
)

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