From: Trans <transfire@...>
Date: 2005-09-16T09:16:34+09:00
Subject: Re: Module.nesting -> Kernel#nesting


Trans wrote:
> > But __FILE__ is a token recognized by the parser. It is neither a
> > constant nor a method of any module, including Kernel.
>
> True. But if you were to try to define it yourself it woul be a Kernel
> module.
>
> Anyway, I've come back to this old thread b/c I realize now, why
> exactly this would be more approriate as a Kernel method and not a
> Module method: the definition requires a  "Binding.of_caller" in order
> to work --ie. if one were to try to do it in ruby themselves. So
> underthehood it must be doing the same. Since Binding.of_caller is
> considered "not good" (do I  understand correctly that matz has
> declined this functionality for Ruby?) then this method goes against
> that grain.
>
> How did I realize this? I was trying to write an Ruby interpolate
> method as a String module function. And for the same reason it was not
> possible --I had to put it in Kernel.

Well, I'll correct myself. Techincally, you still need
Binding.of_caller using Kernel. It's just that Kernel's modus operandi
is functionality unversally present, so it seems like the right place.

T.