From: Gavin Sinclair <gsinclair@...>
Date: 2003-10-02T07:37:25+09:00
Subject: Re: mixing in class methods

On Thursday, October 2, 2003, 7:08:00 AM, Ryan wrote:

> On Thu, 2 Oct 2003 06:02:32 +0900
> "Mark J. Reed" <markjreed@mail.com> wrote:

>> Okay, probably a dumb question, but: is there any way to define
>> methods in a module which become class methods of any class which
>> includes that module?

> Close:

>     module M
>       def foo
>         p "Hello world"
>       end
>     end
    
>     class C
>     end
    
>     class << C
>       include M
>     end
    
>     C.foo   # => "Hello world"


Alternatively,

  class C
    extend M
  end

  C.foo    # => "Hello world"

Gavin