phase 0 unit 2 week 1 boggle class challenge

0.2.1-boggle_class_from_methods.rb

#I kept getting an error when passing boggle_board as an argument into initialize
#so I had to repeat @boggle_board as an instance variable, which I will fix when I understand what exactly happened 

@boggle_board = [["b", "r", "a", "e"],
                ["i", "o", "d", "t"],
                ["e", "c", "l", "r"],
                ["t", "a", "k", "e"]]

class BoggleBoard 


	def initialize
      #@boggle_board = boggle_board

      @boggle_board = [["b", "r", "a", "e"],
                ["i", "o", "d", "t"],
                ["e", "c", "l", "r"],
                ["t", "a", "k", "e"]]
	end

	def create_word(board, *coords)
	  coords.map { |coord| board[coord.first][coord.last]}.join("") 
	  #.first gets the first element of the coordinate array
	  #.join joins the separate elements of the array into one string ex: "a", "b" => "ab"
	  #.map maps the coordinate element from the board:
	  #ex: [1, 2, 3].map { |n| n * n } #=> [1, 4, 9]
	end

	def get_row(row)
		@boggle_board[row].join("")
	end

	def get_col(col)
		@boggle_board.map {|x| x[col]}.join("")
	end

	def get_coord(row, column) 
 		return @boggle_board[row][column]
 	end
end 


#driver code
board = BoggleBoard.new
puts board.create_word(@boggle_board, [2,1], [1,1], [1,2], [0,3])  #=> returns "code" 

puts board.create_word(@boggle_board, [0,1], [0,2], [1,2])  #=> returns "rad"
puts board.create_word(@boggle_board, [2,2], [3,1], [3,2], [3,3]) #=> returns "lake"
puts board.create_word(@boggle_board, [1,3], [0,3], [0,2], [0,1]) #=> returns "tear"

puts board.get_row(0) #=>  ["b", "r", "a, "e"]
puts board.get_row(1) #=>  ["i", "o", "d", "t"]
puts board.get_row(2) #=>  ["e", "c", "l", "r"]

puts board.get_col(0)  #=>  ["b", "i", "e", "t"]
puts board.get_col(1)  #=>  ["r", "o", "c", "a"]
puts board.get_col(2)  #=>  ["a", "d", "l", "k"]

puts board.get_coord(3,2) #=> "k"
puts board.get_coord(0,0) #=> "b"
puts board.get_coord(1,1) #=> "o"