From: Erik Veenstra <erikveen@...>
Date: 2006-07-26T00:35:38+09:00
Subject: Re: Meta-Meta-Programming, revisited

> Not sure how the method_name parameter is useful, isn't it
> just :description? In any case, the paraemters are nicely
> intuitive!

post_condition (like pre_condition) receives *method_names. So,
passing the name of the wrapped method might be usefull.

Hey, wrap_method doesn't receive *method_names... yet... ;]

gegroet,
Erik V. - http://www.erikveen.dds.nl/

----------------------------------------------------------------

 class Module

   def wrap_method(method_name, &block1)
     |
     wrappping_block.call(old, args2, block2, self)
     |
   end

   def pre_condition(*method_names, &block1)
     method_names.flatten.each do |method_name|
       wrap_method(method_name) do |org_method, args2, block2, obj2|
         block1.call(obj2, method_name, args2, block2)

         org_method.call(*args2, &block2)        if org_method
       end
     end
   end

   def post_condition(*method_names, &block1)
     method_names.flatten.each do |method_name|
       wrap_method(method_name) do |org_method, args2, block2, obj2|
         org_method.call(*args2, &block2)        if org_method

         block1.call(obj2, method_name, args2, block2)
       end
     end
   end

 end

----------------------------------------------------------------