From: Tom Sawyer <transami@...>
Date: 2002-08-27T13:26:20+09:00
Subject: Re: Getting list of classes in a module?

by the way (only slightly off topic) is there a difference between the
methods Object#type and Object#class ?

On Mon, 2002-08-26 at 21:54, Philip Mak wrote:
> > Try this:
> >
> > def classes_under( mod )
> >   mod.constants.map {|name| mod.const_get(name) }.select {|v| Class === v }
> > end
> > classes_under(YourFavoriteModule)
> 
> Thanks! I ended up doing this, which is essentially the same but a bit
> simpler:
> 
> def classes_under(mod)
>   mod.constants.select{|v| mod.const_get(v).type == Class}
> end
> 
-- 
~transami