aoc2023/day-17/node.go

package main

import "fmt"

type coords struct {
	X int
	Y int
}

func newCoords(x, y int) coords {
	return coords{X: x, Y: y}
}

// node represents a single point on the graph
type node struct {
	cost       int
	distance   int
	directionX int
	directionY int
	coords
	index int
}

func newNode(cost, distance, directionX, directionY, x, y int) *node {
	c := newCoords(x, y)
	return &node{cost: cost, distance: distance, directionX: directionX, directionY: directionY, coords: c}
}

// String implements the fmt.Stringer interface
func (n node) String() string {
	return fmt.Sprintf("%d%d%d%v", n.distance, n.directionX, n.directionY, n.coords)
}