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Creating XPath2 functions:passing a set of nodes, what

Subject: Creating XPath2 functions:passing a set of nodes, what is the signature construction?
From: cknell@xxxxxxxxxx
Date: Wed, 25 Jan 2006 16:26:00 -0500
 Creating XPath2 functions:passing a set of nodes
I am learning XPath2 using Saxon 8.6. I'd like to create a funtion to compute the standard deviation of the value of a set of nodes. Is there some special way to construct the signature of the function when the argument is a set of nodes as opposed to a single node?

I have written a funtion that takes a single node as an argument of type xs:double. Is there some special way to state that the function will take a set of nodes of type xs:double, or do I simply state that the argument will be of type xs:double?

-- 
Charles Knell
cknell@xxxxxxxxxx - email

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