From: "David A. Black" <dblack@...>
Date: 2007-08-21T10:41:32+09:00
Subject: Re: get a class from its name

Hi --

On Tue, 21 Aug 2007, Rolando Abarca wrote:

> This is how i'm currently getting a class object from a name:
>
>       cname = "A::B::C::D"
>       klass = cname.split("::").inject(Kernel) {|a,b| a.const_get(b)}
>
> I think it's pretty elegant, but I'm always happy to hear other ways to do it 
> ;-)
> Anyone does this in some other way? (I don't want to eval code...)

I think it's usually done the way you've got it there. It's one of
those things that people write over and over (like map_with_index and
singleton_method), hopefully some day to enter the core as
const_get_deep or something.


David

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