From: Robert Klemme <shortcutter@...>
Date: 2006-05-02T01:53:29+09:00
Subject: Re: Shortcut for [string].pack("p*").unpack("l").first ?

2006/5/1, Berger, Daniel <Daniel.Berger@qwest.com>:
> Hi all,
>
> If I want to get the underlying pointer address of a
> Ruby string, I can do this:

What do you want with a memory address in Ruby-land?  If you're in an
extension then there's probably an easier way to get at the address.

> string = "hello"
> [string].pack("p*").unpack("l").first # 43329024
>
> I thought there was a shortcut for this.  Originally I thought
> perhaps object_id was identical, but that doesn't seem to be
> the case.  Maybe that was immediate types only.

If you want to identify an individual object then of course object_id
is the appropriate means.

Kind regards

robert

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