From: matz@... (Yukihiro Matsumoto)
Date: 2003-11-19T02:02:55+09:00
Subject: Re: Yet Another Rite Thought: method combination

Hi,

I'd recommend you to check CLOS.

In message "Re: Yet Another Rite Thought: method combination"
    on 03/11/18, "Christoph" <chr_mail@gmx.net> writes:

|>  Can you give me an example with 2 classes (inheritance + wrappers) ?
|
|class A
|  def foo
|    p "A"
|  end
|  def foo:pre
|    p "pre_a"
|  end
|  def foo:post
|    p "post_a"
|  end
|  
|  def foo:wrap
|     super
|     p "A"
|  end
|end
|
|class B < A
|  def foo
|    super
|    p "B"
|  end
|  def foo:pre
>    # super      # no super in pre method
|    p "pre_b"
|  end
|  def foo:post
>    # super      # no super in post method
|    p "post_b"
|  end
|  
|  def foo:wrap
|     super
|     p "B"
|  end
|end

>B.new.foo

"pre_b"
"pre_a"
"A"
"B"
"post_a"
"post_b"
"A"     # from wrap
"B"     # from wrap

							matz.