From: RichardOnRails <RichardDummyMailbox58407@...>
Date: 2009-12-22T03:55:10+09:00
Subject: Re: Ruby's implementation of Fixnum-assignment

On Dec 21, 11:25 am, Gary Wright <gwtm...@mac.com> wrote:
> On Dec 21, 2009, at 10:55 AM, RichardOnRails wrote:
>
>
>
> > Is my speculation about this aspect of Ruby's implementation correct,
> > or am I all wet?
>
> Generally correct.  You might want to look at <http://en.wikipedia.org/wiki/Tagged_pointer> for a discussion of this overall technique.  This technique is one way around 'boxing' primitive types such as small integers, boolean values, nil, and symbols.
>
> Gary Wright

Hi Gary,

> Generally correct.
Thanks for encouragement.

> Tagged_pointer
Thanks for the reference.  I hadn't heard of the term before.

Best wishes,
Richard