/* This file is part of Machina. Copyright 2007-2013 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 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 its 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