class NullPosition

Attributes

direction[R]
x_coord[R]
y_coord[R]

Public Class Methods

new() click to toggle source
# File lib/another_toy_robot/null_position.rb, line 4
def initialize
  @x_coord   = nil
  @y_coord   = nil
  @direction = nil
end

Public Instance Methods

advance() click to toggle source
# File lib/another_toy_robot/null_position.rb, line 14
def advance
  self
end
left() click to toggle source
# File lib/another_toy_robot/null_position.rb, line 18
def left
  self
end
right() click to toggle source
# File lib/another_toy_robot/null_position.rb, line 22
def right
  self
end
to_s() click to toggle source
# File lib/another_toy_robot/null_position.rb, line 10
def to_s
  "No position"
end