working to_s

checkers.rb

@@ -5,10 +5,19 @@ class Board
 		@board = Array.new(8) {|i| Array.new(8, '_')}
 	end
 
-	def print()
-		@board.each {|row| @row.each {|cell| print cell } puts "\n"}
+	def to_s()
+		str = ''
+		@board.each {|row| 
+			row.each {|cell| 
+				str += cell
+			} 
+			str += "\n"
+		}
+		return str
 	end
+
+
 end
 
 b = Board.new()
-b.print
+puts b.to_s