Re: How to specify null value and collection value as anXPATH
On 08/10/2010 7:47 PM, Farrukh Najmi wrote: > > Is it possible to specify a null value to an XPATH function as a > parameter value? > > Also, is it possible to specify a collection (e.g. collection of > strings) to an XPATH function as a parameter value? > > In my case, its an extension function, so I suppose anything is > possible but I am curious what are the rules. > > Thanks. > XPath 1.0 or XPath 2.0? - the data models are very different. But neither has a concept known by the name of "null". The nearest thing to null in XPath 1.0 is an empty node-set; the nearest thing in XPath 2.0 is an empty sequence. Both, of course, can happily be used as arguments to a function call. As for extension functions - there are no rules. Michael Kay Saxonica
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