Recently W3C has published new drafts for
xquery 1.1 and for
xpath 2.1. We have noticed that
committee has decided to introduce inline functions both for the xquery and for the
That's a really good news! This way xquery, xpath and xslt are
Now we shall be able to implement tuples (a sequence of items wrapped into
single item), object with named properties, trees (e.g. RB Tree), associative
containers (tree maps and hash maps, sets).
Surely, all this will be in the spirit of functional programming.
The only thing we regret about is that the WG did not include built-in
implementations for trees and associative containers, as we don't believe that
one can create an efficient implementation of these abstractions neither in
xquery nor in xslt (asymptotically results will be good, but coefficients will
Tuple and maps
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