From: Sebastian Hungerecker <sepp2k@...>
Date: 2008-09-03T17:28:36+09:00
Subject: Re: How can I prevent include one module multi-times?

Roger Pack wrote:
> Zhao Yi wrote:
> > I am looking for a method to check whether this module has been
> > included. Does Ruby have this feature?
>
> Might try parsing Object.constants for the module name.

Why? That only tells you whether that module exists (and it only tells you 
that when the module is in the top-level namespace). It doesn't tell you 
whether that module has been included into anything.

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