/* -*-comment-start: "//";comment-end:""-*- * GNU Mes --- Maxwell Equations of Software * Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org> * * This file is part of GNU Mes. * * GNU Mes 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 3 of the License, or (at * your option) any later version. * * GNU Mes 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>. */ struct bits { int one:1, two:1, four:1, eightsixteen:2; }; union foo { struct bits b; int i; }; int main () { union foo f; // f.i = 1; // if (!f.i) // return 1; // f.b.two = 1; // if (f.i != 3) // return 2; f.i = 3; f.b.four = 1; if (f.i != 7) return 3; return 0; }