From: Ola Bini <Ola.Bini@...>
Date: 2006-05-23T13:43:26+09:00
Subject: Re: Metaprogramming, Lisp, Symbols, and Macros

Hi!

If I may be so bold... I love Lisp in many ways, and Common Lisp macros
are incredibly powerful. Ruby can't match that yet... but boy are we
close. Actually, most of the metaprogramming is already there. Some of
the support (the MOP for example) is way better and more intricate than
CLOS. If you need to be convinced, take a look at the Rails source code.
You could probably not compress it much more even with Lisp.

Regards
 Ola Bini

----- Original Message -----
From: Dido Sevilla <dido.sevilla@gmail.com>
Date: Tuesday, May 23, 2006 6:40 am
Subject: Metaprogramming, Lisp, Symbols, and Macros
To: ruby-talk@ruby-lang.org (ruby-talk ML)

> I've been reading some articles on why Ruby has symbols and all that,
> and one of the most interesting articles on this subject I've read
> opines that Ruby has them because they are preparation for a future
> metaprogramming environment as powerful as Lisp's [1]. I've been
> experimenting with Lisp and Lisp-like languages for a while, and have
> seen how a first-class macro facility similar to that of Common Lisp
> can be incredibly useful, and am wondering if thought is being given
> to providing a similar macro facility to Ruby. I am curious as to what
> form such a system would take; would we have a syntax tree
> manipulation API that allows one to manipulate Ruby programs as though
> they were S-expressions?
> 
> [1] 
>
http://www.oreillynet.com/ruby/blog/2005/12/digging_into_ruby_symbols_1.html
>