function used to parse the list of datastructures / keyfamilies of a SDMX-ML document
Usage
datastructures.SDMXDataStructures(xmlObj)
Arguments
xmlObj
an object of class "XMLInternalDocument"
Warning
datastructures.SDMXDataStructures is a function used internally to parse the list of datastructure / keyfamily during instantiation of "SDMXDataStructures" objects