From: Robert Klemme <shortcutter@...>
Date: 2009-07-10T14:40:07+09:00
Subject: Re: a inherent class, how to write?

On 10.07.2009 04:01, Zhenning Guan wrote:
> I have a file like this;
> 
> class File
>   class << self
>      def diff
>        #some stuff--------------
>      end
>   end
> end
> 
> def method_1
>   #-----------
> end
> 
> def method_2
>   #------------
> end
> 
> 
> method_1
> method_2
> ------------------------------------
> now ,I need to rewrite this file.
> 
> but I don't how to deal with the class File....
> 
> one.
> +++++++++++++++++++
> class File
>   class << self
>      def diff
>        #some stuff--------------
>      end
>   end
> end
> 
> class Myclass
>  def method_1
>  end
> 
>  def method_2
>  end
> end
> 
> ++++++++++++++++++++
> 
> two
> ++++++++++++++++++++
> class Myclass
> class File
>   class << self
>      def diff
>        #some stuff--------------
>      end
>   end
> end
> 
>  def method_1
>  end
> 
>  def method_2
>  end
> end
> +++++++++++++++++++++

That's difficult to answer since we cannot see how your method_1 and 
method_2 use class File.

In the general case inheritance is done like this:

class A
end

class B < A
end

B is now subclass of A.

Kind regards

	robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/