From: Austin Ziegler <halostatue@...>
Date: 2006-09-21T00:52:08+09:00
Subject: Re: Ducktator - A Duck Type Validator

On 9/20/06, MonkeeSage <MonkeeSage@gmail.com> wrote:
> Of course, respond_to? doesn't tell you about what the method does. But
> it isn't meant to. To check an object's signature is not the same thing
> as to check that it does what you want it to do. A file object that
> responds to write() may output a file in the current working directory;
> but a mock object which is _acting like_ a file object may just write
> to screen, or may not write anything at all. But at least you can tell
> that it _acts like_ a file object so far as its signature is concerned
> (viz., duck typing).

Not without doing more than #respond_to? checking. See other responses
that I've made.

-austin
P.S. Please don't snip context when you're posting a response to
someone. Just because you might be using a threaded newsreader or
mailer doesn't mean that everyone is. A little context goes a long
way.
-- 
Austin Ziegler * halostatue@gmail.com * http://www.halostatue.ca/
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               * austin@zieglers.ca