From: Paul Brannan <pbrannan@...>
Date: 2003-04-03T04:23:41+09:00
Subject: Re: Checking for valid Ruby objects?

On Thu, Apr 03, 2003 at 03:32:24AM +0900, Lyle Johnson wrote:
> If I have a void pointer in C extension code, is there any way to tell 
> if it is a valid Ruby object (versus a pointer to some other data), 
> similar to what's done in the (private) is_pointer_to_heap() function?

I think it should be possible to use id2ref; if it raises an exception,
then you don't have a valid object.

I'm curious: why do you need to do this anyway?

Paul