#NEWLINE# def unionstore( self , dest , * others ) : #NEWLINE# #INDENT# '\n        Store the union of the current set and one or more\n        others in a new key.\n\n        :param dest: the name of the key to store union\n        :param others: One or more :py:class:`Set` instances\n        :returns: A :py:class:`Set` referencing ``dest``.\n        ' #NEWLINE# keys = [ dest . key ] #NEWLINE# keys . extend ( [ other . key for other in others ] ) #NEWLINE# self . database . sunionstore ( dest , keys ) #NEWLINE# return self . database . Set ( dest )