From: Robert Klemme <bob.news@...>
Date: 2005-11-03T21:52:12+09:00
Subject: Re: include

Christophe Grandsire wrote:
> Selon Alexander Fleck <Fleck@schleissheimer.de>:
>
>> Hi,
>> is the Ruby-'include' equal to a C++-'using' statement? Meant for
>> namespace issues. Or does it have a bigger result?
>> Thanks,
>> Alex.
>>
>
> "include" is used to mix in a module into a class. It has nothing to
> do with namespaces, but is rather a way to quickly add functionality
> to a class beyond what is given by its superclass without resorting
> to multiple inheritance=

Adding to that "extend" is more similar to "using".  Using "extend" you
can make some things (i.e. methods) from a module directly available.

Kind regards

    robert