Last changed Oct 15, 2009 12:22 by
Terence Parr
Part 1: Null-valued attributes
Let's consider values inside arrays. If names={"Tom", null, null, "Ter"}, what should we get here:
or here
My preference would be: TomTer and Tom, Ter. That is what v3 does now. We recently introduced the null option so we can say:
to get "foo" instead of an missing element when names[i] is null.
HOWEVER, you cannot set an attribute to null. So, if instead of passing the list,</names></names;></names;> …
