Re: roles verify attribute contents when applied?

On Thu, 12 Jan 2012, Edward Allen wrote:

> Ok.  This doesn't really make sense.  Here is the problem:  A role is
> applied to a class, not an object (technically you can apply it to an
> object with Moose::Util::apply_all_roles, but this seems like a Bad
> Idea).  A class doesn't have attributes (well there's a module for
> that, but let's ignore that for the time being).  A class has methods.
> So you can test if a method exists, but not if that method returns a
> particular value.

I don't think applying a role to an object is a Bad Idea at all. That's 
not to say it's always a Good Idea.

It can be very useful, especially if you want to do something like debug 
the behavior of just one object.

That said, the original request may be a case of "back up and explain what 
you're trying to do".


-dave

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