From: Ryan Davis <ryand-ruby@...>
Date: 2012-05-18T08:48:56+09:00
Subject: Re: rb_gc_register_address() or rb_gc_mark()?


On May 17, 2012, at 16:20 , Iņaki Baz Castillo wrote:

> Ok, that explains the behavior I've observed. This should be
> documented somewhere, I will report it.

It's documented in K&R's C book. This is just a plain C idiom.