|I used ref instead of Scalar::Util on the "simplest thing that could possibly work" principle. If you can give me a clear code snippet showing why ref is inferior (or point me to a resource.) I'll happily change it. (Update: Of course, I seem to recall some of the issues you mention. Hmm, I don't think I have a choice but to change it.)
Another question here - are you planning on allowing objects that happen to be implemented as ARRAY's in for ARRAY parameters? This will mean that your code is going to be ... complex, to say the least.
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