From: Trans <transfire@...>
Date: 2006-10-26T10:00:12+09:00
Subject: Re: Calling functions in a child class


Brian Schlect wrote:
> I have a class:
>
> class alpha
>  def test_method
>   puts "test method"
>  end
>
>  def get_methods
>   puts alpha.methods
>  end
> end
>
> running "get_methods" here will return a long list of methods including
> test_method. But, I also have this class:
>
> class bravo < alpha
>  def another_test_method
>  end
> end
>
> i want to be able to call get_methods in the parent class and have it
> return the functions of the child class as well. so in this example:
>
> test_obj = bravo.new
> bravo.get_methods
>
> would return all methods including
>
> test_method
> another_test_method
>
> any ideas?

That's an expensive operation. Something along the lines of:

  ObjectSpace.each(alpha) { |k|
    p k.get_methods
  }

In fact, that's so exepnsive you may want to reconsider what you're
trying to do here.

T.