commented non-obvious game_night one liner

johnhutch · Apr 2, 2013 · 0ae7e3b · 0ae7e3b
1 parent 1fd086d
commit 0ae7e3b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/app/models/night.rb b/app/models/night.rb
@@ -8,6 +8,9 @@ def owned_games
         for user in self.users do
             game_arr << user.games
         end
+        # fun little one liner to remove to duplicates
+        # inject steps through the game_arr and does a union with itself
+        # on each element of game_arr
         game_arr.inject(game_arr.first) { |f,x| f = f | x }
     end