Perhaps we need a set! datatype then ... On Wed, Feb 24, 2010 at 8:57 AM, tomc <[email protected]> wrote: > > in math, uniquenesses is the defining characteristic > of sets that makes them so useful. > > Graham Chiu wrote: >> Hi Gregg >> >> I didn't realize that a set implies a collection of unique items. >> >>>> help exclude >> USAGE: >> =A0 =A0 EXCLUDE set1 set2 /case /skip size >> >> DESCRIPTION: >> =A0 =A0 =A0Return the first set less the second set. >> =A0 =A0 =A0EXCLUDE is a native value. >> >> ARGUMENTS: >> =A0 =A0 =A0set1 -- First data set (Type: series bitset) >> =A0 =A0 =A0set2 -- Second data set (Type: series bitset) >> >> REFINEMENTS: >> =A0 =A0 =A0/case -- Uses case-sensitive comparison. >> =A0 =A0 =A0/skip -- Treat the series as records of fixed size >> =A0 =A0 =A0 =A0 =A0size -- (Type: integer) >> >> On Wed, Feb 24, 2010 at 4:43 AM, Gregg Irwin <[email protected]> w= rot=3D >> e: >>> Hi Graham, >>> >>> GC> foreach item exclude parse/all text "$," [ "" ] [ >>> GC> =3DA0 =3DA0append result to-integer debase/base item 16 >>> GC> ] >>> >>> I don't think that will work, unless you're guaranteed to have unique >>> values in the source. EXCLUDE is a set operation, so you'll lose >>> matching hex values. >>> >>> -- Gregg >>> >>> -- >>> To unsubscribe from the list, just send an email to >>> lists at rebol.com with unsubscribe as the subject. >>> >>> >> >> >> >> --=3D20 >> Graham Chiu >> http://www.compkarori.co.nz:8090/ >> Synapse - the use from anywhere EMR. > -- > To unsubscribe from the list, just send an email to > lists at rebol.com with unsubscribe as the subject. > >
--=20 Graham Chiu http://www.compkarori.co.nz:8090/ Synapse - the use from anywhere EMR. -- To unsubscribe from the list, just send an email to lists at rebol.com with unsubscribe as the subject.
