> > For example, in FileReference is adds a file extension. PetitParser uses > it as a sequence operator. >
But in both cases #, is sent to FileReference/Petit parser instance, so it is contained. You would use it on a (generic) Number and tie it to specific Bloc meaning. Maybe have a polymorphic Vector in regular Pharo (I would imagine that PolyMath could also make use of that)? Peter
