On Mon, Oct 14, 2002 at 06:27:48PM -0700, David Whipp wrote: > > it looks like "Lukasiewiczian NULL" is just the nifty NULL > > that SQL has, and the nifty ways that it affects logical > > and aggregate operations. Actually, something I wouldn't mind > > seeing in other languages -- I can't say if perl is one of those, > > but if it can be provided by expansion, that would be neato. > > Looks like the X value of the 4 (or 9) state logics that ASIC > designers use.
I suspect that it would be possible to implement this with properties and overloading. http://www.xray.mpe.mpg.de/mailing-lists/perl5-porters/2001-11/msg00124.html -- Paul Johnson - [EMAIL PROTECTED] http://www.pjcj.net
