From: "Ara.T.Howard" <ahoward@...>
Date: 2004-07-30T21:11:53+09:00
Subject: Re: defined? in ruby-1.9

On Fri, 30 Jul 2004, Yukihiro Matsumoto wrote:

> Hi,
>
> In message "defined? in ruby-1.9"
>    on 04/07/30, "Dmitry V. Sabanin" <sdmitry@lrn.ru> writes:
>
> |Lately I was converting some of my projects to ruby 1.9, and I found that this code is no longer working:
> |  raise if defined?(Test::Unit)
> |Throws:
> |  uninitialized constant Test (NameError)
> |
> |Ruby 1.8 silently works with that code. So, how do I need to handle this kind of checks in 1.9?
> |For now as a workaround I changed Test::Unit to Test and it works  fine.
>
> Because 1.8 silently ignores NameError in the check for Test::Unit.
>
> 							matz.

but isn't that what 'defined?' is for?  to determine if the compiler has seen
a 'name' yet?

-a
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