From: Ceri Storey <cez@...>
Date: 2003-11-25T23:26:58+09:00
Subject: Class#inherited, class definition and industry.

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Hi there. 

Am I correct in thinking that the #inherited method of the parent class
is called *before* the body of the class is evaluated? 

If so, is there a more sensible way of working around this, than
something like the following?
-- 
Ceri Storey <cez@necrofish.org.uk>

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class Builder
  @registry = {}
  @registered = []

  class << self
    def inherited(sub)
      @registered.push(sub)
    end

    def lookup(name)
      if @registry.include?(name)
	@registry[name]
      elsif c = @registered.find { |c| c.name == name }
	@registry[c.name] = c
	c
      else
	raise "No such Class"
      end
    end

    def create(name, *args)
      lookup(name).new(*args)
    end
  end
end

class Moogle < Builder
  class << self
    def name
      "moogle"
    end
  end
end

Builder.create("moogle")

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