[messages] [Module Design] How to count cards in play?

dennycrane1414 dennycrane1414 at hotmail.com
Tue Jan 29 10:47:21 MST 2013

There's probably a simple way to do this, but I can't seem to figure it

If I have a deck of 20 cards, is there a way to count how many are in
play?  I've tried $20-deck_numPieces$ and other variables of that, but
can't get it to work.

Thanks much.

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