Proto for Boost mailing list page: Re: [proto] Visitor Design Pattern

Subject: Re: [proto] Visitor Design Pattern
From: Joel de Guzman (joel_at_[hidden])
Date: 2010-10-24 03:59:11

On 10/24/2010 1:16 PM, Eric Niebler wrote:
> Now, what to call the traveral/algorithm/action/on thingy. None of those
> feel right. Maybe if I describe in words what it does, someone can come
> up with a good name. Given a Proto grammar that has been built with
> named rules, and a set of actions that can be indexed with those rules,
> it creates a Proto algorithm. The traversal is fixed, the actions can
> float. It's called<insert good name here>.

Actor

   std::cout << actor<char_terminal, my_actions>()(a)  << "\n"; // printing char

:-)

Regards,
-- 
Joel de Guzman
http://www.boostpro.com
http://spirit.sf.net