From: Andrew Wagner <wagner.andrew@...>
Date: 2011-02-03T08:15:04+09:00
Subject: Re: Amazing behavior of include module

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This is really quite odd to me. Especially since AAA::BBB.constants returns
an empty array. Anybody have an answer to this?

On Wed, Feb 2, 2011 at 11:49 AM, Pavel Strnad <pavel.strnad@fel.cvut.cz>wrote:

> Hi,
> I do not understand how is following code working:
> irb(main):001:0> module AAA
> irb(main):002:1> class BBB
> irb(main):003:2> end
> irb(main):004:1> end
> => nil
> irb(main):005:0> BBB::BBB
> NameError: uninitialized constant BBB
>        from (irb):5
>        from /usr/local/bin/irb:12:in `<main>'
> irb(main):006:0> AAA::BBB::BBB
> NameError: uninitialized constant AAA::BBB::BBB
>        from (irb):6
>        from /usr/local/bin/irb:12:in `<main>'
> irb(main):007:0> include AAA
> => Object
> irb(main):008:0> BBB::BBB
> => AAA::BBB
> irb(main):009:0> BBB::BBB::BBB
> => AAA::BBB
> irb(main):010:0> BBB::BBB::BBB::BBB
> => AAA::BBB
> irb(main):011:0> AAA::BBB::BBB::BBB
> => AAA::BBB
>
> I thought that last four lines will not work, but they do. How is it
> possible?
> Thank you.
> Pavel Strnad
>
>

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