lib/mongo_mapper/plugins/keys.rb in mongo_mapper-0.7.4 vs lib/mongo_mapper/plugins/keys.rb in mongo_mapper-0.7.5

@@ -26,10 +26,14 @@
           create_validations_for(key)
 
           key
         end
 
+        def key?(key)
+          keys.keys.include?(key.to_s)
+        end
+
         def using_object_id?
           object_id_key?(:_id)
         end
 
         def object_id_key?(name)
@@ -145,18 +149,18 @@
       end
 
       module InstanceMethods
         def initialize(attrs={}, from_database=false)
           default_id_value(attrs)
-          
+
           if from_database
             @new = false
             self.attributes = attrs
           else
             @new = true
             assign(attrs)
           end
-          
+
           assign_type
         end
 
         def persisted?
           !new? && !destroyed?