lib/attached/attachment.rb in attached-0.0.4 vs lib/attached/attachment.rb in attached-0.0.5

@@ -41,9 +41,20 @@
       
       @options    = self.class.options.merge(options)
     end
     
     
+    # 
+    #
+    # Usage:
+    #
+    #   @object.avatar.changed?
+    
+    def changed?
+      instance.changed.include? "#{name}_identifier"
+    end
+    
+    
     # Usage:
     #
     #   @object.avatar.assign(...)
     
     def assign(file, identifier = Guid.new)
\ No newline at end of file