1 files changed, 13 insertions, 0 deletions
diff --git a/board.rb b/board.rb
index 93b726a..c990218 100644
--- a/board.rb
+++ b/board.rb
@@ -10,4 +10,17 @@ class Board
   def render
     "...\n" * 3
   end
+  
+  # Raises an ArgumentError if integer conversion fails
+  def transform_coordinates(str)
+    coordinates = str.split(',')
+    
+    begin
+      coordinates[0] = Integer(coordinates[0])
+      coordinates[1] = Integer(coordinates[1])
+      
+      coordinates if coordinates.length > 1
+    rescue
+    end
+  end
 end