From: Nathaniel Talbott <nathaniel@...>
Date: 2003-10-02T10:26:48+09:00
Subject: Re: mixing in class methods

Mark J. Reed [mailto:markjreed@mail.com] wrote:

> Okay, those both work, assuming all I want is class methods 
> from the module. I'm guessing I have to break it up.  The 
> original idea was to have a single module, which defined both 
> class and instance methods, which I could 
> include/extend/whatever into a class, and then that class 
> would have both the instance methods (as instance methods) 
> and the class methods (as class methods) from the module.

I've used something like this before:

  module M
    def self.append_features(klass)
      class << klass
        def class_method
          p "class_method"
        end
      end
      super
    end

    def instance_method
      p "instance_method"
    end
  end

  class C
    include M
  end

  C.class_method
  C.new.instance_method


Gotta love that Ruby!


Nathaniel

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