day09

Documentation

Index

• Variables
• func MoveN(r *linkedlist.Node[*Knot], d Dir, dist int)
• func NewRope(len int) *linkedlist.Node[*Knot]
• func SimulateMoves(r *linkedlist.Node[*Knot], mvs []string)
• type Dir
• type Knot
  • func (k *Knot) Visit()
  • func (k Knot) Visited() []grid.Point

Variables

var (
	DirUp    = Dir{X: 0, Y: -1}
	DirDown  = Dir{X: 0, Y: 1}
	DirLeft  = Dir{X: -1, Y: 0}
	DirRight = Dir{X: 1, Y: 0}
)

var Cmds = map[string]Dir{
	"U": DirUp,
	"D": DirDown,
	"L": DirLeft,
	"R": DirRight,
}

Functions

func MoveN

func MoveN(r *linkedlist.Node[*Knot], d Dir, dist int)

func NewRope

func NewRope(len int) *linkedlist.Node[*Knot]

func SimulateMoves

func SimulateMoves(r *linkedlist.Node[*Knot], mvs []string)

Types

type Dir

type Dir grid.Point

type Knot

type Knot struct {
	Pos grid.Point
	// contains filtered or unexported fields
}

func (*Knot) Visit

func (k *Knot) Visit()

func (Knot) Visited

func (k Knot) Visited() []grid.Point