/* This file is part of Machina. * Copyright 2007-2011 David Robillard * * Machina 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. * * Machina 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 Machina. If not, see . */ #ifndef SCHRODINBIT_HPP #define SCHRODINBIT_HPP /** A flag which becomes false when it's value is observed */ class Schrodinbit { public: Schrodinbit() : _flag(false) {} inline operator bool() { const bool ret = _flag; _flag = false; return ret; } inline bool operator=(bool flag) { _flag = flag; return flag; } private: bool _flag; }; #endif // SCHRODINBIT_HPP