From: Daniel Carrera <dcarrera@...>
Date: 2003-02-27T15:44:54+09:00
Subject: Re: Ruby Compile-time optimization

On Thu, Feb 27, 2003 at 03:38:18PM +0900, Gabriel Emerson wrote:
> Or don't raise an error... I don't think optimization should be
> guaranteed.  Kind of like 'register' in C... it's more a suggestion than
> anything else.
> 
> > 2)  Give Ruby a '-O' option that does constant folding and raises an error 
> > if you either change the value of a constant or overload Fixnum#+.

So you are suggesting that Ruby check to see if an operator is overloaded 
and do constant folding if it isn't?  I think that's a good idea.

There are several kinds of optimizations that can be done.  Ruby could 
check if they are "safe" and optimize accordingly.

-- 
Daniel Carrera
Graduate Teaching Assistant.  Math Dept.
University of Maryland.  (301) 405-5137