From: Leo <see_signature@127.0.0.1>
Date: 2001-05-09T09:10:10+09:00
Subject: [ruby-talk:14882] Re: [Q] Why module methods are NOT included by 'include' statement?

matz@zetabits.com (Yukihiro Matsumoto) writes:
> Hi,
> 
> In message "[ruby-talk:14825] [Q] Why module methods are NOT included by 'include' statement?"
>     on 01/05/08, Leonid Razoumov <see_signature@127.0.0.1> writes:
> 
> |Ruby has a powerful 'include some_module' statement which imports into the
> |current namespace constants, class variables and instance methods defined in
> |some_module. However, module methods are NOT imported.  Why so?
> 
> Because "include" are intended to include the methods in a module into
> a class/module.  I think "including" class/module methods (singleton
> methods) is a separate task.  You can "include" them by using either
> "extend" or "append_features" (or "included" hook method in 1.7).
> 
> 							matz.

Matz,
would you, please, give an example of how to use "extend" to include singleton
methods. I thought that "extend" (like "include") deals only with instance
methods. Such an example will be useful for Ruby FAQ.

Thanks,
--Leo-- [ slonika AT yahoo DOT com ]