a board class template for connect 4, for a coding challenge.

C4Board.rb

class C4Board

  BLACK = :black
  RED = :red
  EMPTY = nil

  # returns an array of all the columns a piece can be dropped in currently
  def moves
  end

  # returns a new board with the to_move's piece dropped in the provided column
  def move(position)
  end

  # returns :red or :black, depending on whose turn it is.
  def player_to_move
  end

  # truthy if won, false otherwise
  def won?
  end

  # should return 2d array suitable for displaying
  def cells
  end

  # returns a board initialized to be empty, with :black set as the current player.
  def self.starting_board
  end

end