1 /* 2 * Copyright (c) 2015, Intel Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation and/or 13 * other materials provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors 16 * may be used to endorse or promote products derived from this software without 17 * specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 #pragma once 31 32 namespace utility 33 { 34 35 /** Base class for private inheritance to make the derived class non copyable. 36 * 37 * Sometime implementing copy/move semantic is complicated or not useful. 38 * The traditional way is to declare the relevant methods private in c++ < 11 39 * or deleted in c++ > 11. 40 * 41 * It is easier and self documented to derive from this class. 42 * 43 * For more documentation see: 44 * http://www.boost.org/doc/libs/release/libs/utility/utility.htm#Class_noncopyable 45 * */ 46 class NonCopyable 47 { 48 public: 49 NonCopyable() = default; 50 NonCopyable(const NonCopyable &) = delete; 51 NonCopyable(NonCopyable &&) = delete; 52 NonCopyable &operator=(const NonCopyable &) = delete; 53 NonCopyable &operator=(NonCopyable &&) = delete; 54 }; 55 56 } // namespace utility 57
