From: Johan Nilsson <johan.nilsson@...>
Date: 2004-12-14T21:52:21+09:00
Subject: Re: Mixin questions


"Robert Klemme" <bob.news@gmx.net> wrote in message
news:327uc2F3j9j3eU1@individual.net...
>
> "Johan Nilsson" <johan.nilsson@---.esrange.ssc.se> schrieb im Newsbeitrag
> news:1103018684.0021a1444d2417eb0d9c6eddf9e60f0d@teranews...
> > Hi,
> >
> > some newbie questions:
> >
> > - How can/should I access a class constant from a mixin? The only thing
> I've
> > managed to get working is "const_get("name of const")".
> > - Is it possible to access protected methods from mixins? I'm trying to
> > create a mixin alike the following:
> >
> > ---
> > module StaticCreateMixin
> >     def create_from(stuff)
> >         obj = self.new
> >         obj.my_stuff.<modifiying fn>!(stuff)
> >         obj
> >     end
> > end
> >
> > class Foo
> >     extend StaticCreateMixin
> >
> >     def my_stuff
> >         @stuff
> >     end
> >
> >     protected :my_stuff
> > end
> >
> > f = Foo.static_create("some stuff")
>
> Your example misses something, does it?  It's not completely clear to me
> what you want to do.  Or did you misspell create_from as static_create?

Oops. Yes, I'm a very bad speller (or it could be the
"extract-a-minimal-sample-from-actual-code-but-don't-bother-to-test-it"-synd
rome).

In english, I want to create an instance of Foo from within the mixin's
supplied class method. The first question still applies though.

// Johan