From: Dave Thomas <Dave@...>
Date: 2001-11-23T04:09:34+09:00
Subject: [ruby-talk:26167] Re: Passing class names to constructors.

Hugh Sasse Staff Elec Eng <hgs@dmu.ac.uk> writes:

> >    mess << Class.new(knotclass)
> 
> Can I do this if I have already defined class Knotclass?
> The intention is to allow users to define their classes with
> conventional subclassing, and then pass these subclasses into my
> constructor.  So I'm thinking that:
> >
> > Does the symbol buy you anything here?
> 
> what it buys me is not doing Class.new(Knotclass) where Knotclass is
> *already* defined.

I thought you wanted to generate subclasses of KnotClass. If all you
want to do is generate KnotClasses, then

    def whatever(klass = KnotClass)
       k = klass.new
    end

Does the trick


Dave