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I love it!

Thank you all for the discourse.

I take Igor's reference to the Ruby bible as the most authoritative
explanation, which directly indicates that these two are *intended* to be
equivalent constructs.

What I like about  most is that it was very elegant looking AND made me
stop to go find out exactly what was going on.  Metaprogramming beauty.  I
suppose that goes against the grain of some who wish for the code to tell
you clearly what is going on without reference... but how would you know
what <or || re without reference?

So, I'll be using  instead of is_a?

Thanks all!

Peter Fitzgibbons
(847) 687-7646
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