Examples of net.sf.saxon.om.GroundedValue.itemAt()

net.sf.saxon.om.GroundedValue.itemAt()
Get the n'th item in the value, counting from 0 @param n the index of the required item, with 0 representing the first item in the sequence @return the n'th item if it exists, or null otherwise

            SequenceIterator base = argument[0].iterate(context);
            if (intindex == 1) {
                return base.next();
            } else if (base instanceof GroundedIterator) {
                GroundedValue value = ((GroundedIterator)base).materialize();
                return value.itemAt(intindex-1);
            } else {
                SequenceIterator tail = TailIterator.make(base, intindex);
                return tail.next();
            }
        } else {

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