lib/observed/pluggable.rb in observed-0.1.1 vs lib/observed/pluggable.rb in observed-0.2.0.rc1

@@ -1,13 +1,24 @@
 module Observed
+  # Indicates that the class is pluggable (or extensible or a extension point).
+  # "pluggable" means that the class included this module will be the outlet in where Observed plug-ins are plugged.
+  #
+  # @example
+  # class Reader
+  #   include Pluggable
+  # end
+  # class FooReader < Reader; end
+  # class BarReader < Reader; end
+  # Reader.plugins #=> [FooReader, BarReader]
   module Pluggable
 
     module ClassMethods
       def plugins
         @plugins ||= []
       end
 
       def inherited(klass)
+        super if defined? super
         plugins << klass
       end
 
       def plugin_name(plugin_name=nil)
         @plugin_name = plugin_name if plugin_name