function

# File lib/rexml/quickpath.rb, line 222
                def QuickPath::function( elements, fname, rest )
                        args = parse_args( elements, rest )
                        Functions.pair = [0, elements.size]
                        results = []
                        elements.each do |element|
                                Functions.pair[0] += 1
                                Functions.node = element
                                res = Functions.send( fname, *args )
                                case res
                                when true
                                        results << element
                                when Fixnum
                                        results << element if Functions.pair[0] == res
                                end
                        end
                        return results
                end