From: Daniel Brockman <daniel@...>
Date: 2005-06-30T01:16:57+09:00
Subject: Re: yield does not take a block

Eric Mahurin <eric_mahurin@yahoo.com> writes:

> I think the destructive modification of a class and of an object's
> class (making its class a singleton) are the main culprits.

However, I ``destructively'' modify standard library classes and
modules all the time.  This is a major selling point for Ruby.

> If these were non-destructive (returning a new class or new object
> with a singleton class), it would have allowed more optimization.

I don't see how returning a new class could be useful in any way.
For example, what should happen if you say this?

    class Numeric ; def infinite? ; false end end

-- 
Daniel Brockman <daniel@brockman.se>