#This file is part of SECONDO. #Copyright (C) 2019, #University in Hagen, #Faculty of Mathematics and Computer Science, #Database Systems for New Applications. #SECONDO is free software; you can redistribute it and/or modify #it under the terms of the GNU General Public License as published by #the Free Software Foundation; either version 2 of the License, or #(at your option) any later version. #SECONDO is distributed in the hope that it will be useful, #but WITHOUT ANY WARRANTY; without even the implied warranty of #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #GNU General Public License for more details. #You should have received a copy of the GNU General Public License #along with SECONDO; if not, write to the Free Software #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA operator par alias PAR pattern _ op [ _ , _ ]