// test_callback.cc // robert - programme du robot 2005. {{{ // // Copyright (C) 2004 Nicolas Schodet // // This program 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. // // This program 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 this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // Contact : // Web: http://perso.efrei.fr/~schodet/ // Email: // }}} #include "callback.hh" #include void f (void) { std::cout << " f ()" << std::endl; } int i (void) { static int v = 42; std::cout << " i () = " << v << std::endl; return v++; } struct G { void operator () (void) { std::cout << " g ()" << std::endl; } }; int main (void) { G g; Callback cf (f); Callback cg (g); Callback ch; Callback ci (i); try { std::cout << "cf" << std::endl; cf (); std::cout << "cg" << std::endl; cg (); cf = cg; cg = f; std::cout << "cf" << std::endl; cf (); std::cout << "cg" << std::endl; cg (); std::cout << "cf " << (cf ? "not " : "") << "empty" << std::endl; std::cout << "ch " << (ch ? "not " : "") << "empty" << std::endl; std::cout << "ci" << std::endl; int r = ci (); std::cout << "ci = " << r << std::endl; std::cout << "ch" << std::endl; ch (); } catch (const std::exception &e) { std::cout << e.what () << std::endl; return 1; } return 0; }