> > It's also far slower. Constructing a 31-element list, junctionizing > > it, > > This might well be done at compile-time. And/or, lazily. So > the cost of these two steps is likely to be negligible. > > > then testing against each element vs. 2 numeric comparisons. > > Yes. That's a significant cost in this case.
My example was bad. I intended something with more behind it. print "creditcard" if $var == CreditCard( 'VISA' ); wich should do a mod10 on $var and then match a regex or something. I think one could say "CreditCard( 'VISA' )" is then the property. And after reading further seeing it could be smart matched like: print "creditcard" if $var ~~ CreditCard( 'VISA' ); Brought to a point: Properties could be also smart matched. Murat
