1 /* 2 * Copyright (c) 2015, Peter Thorson. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * * Redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer. 8 * * Redistributions in binary form must reproduce the above copyright 9 * notice, this list of conditions and the following disclaimer in the 10 * documentation and/or other materials provided with the distribution. 11 * * Neither the name of the WebSocket++ Project nor the 12 * names of its contributors may be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY 19 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 22 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 24 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 */ 27 28 #ifndef WEBSOCKETPP_COMMON_TYPE_TRAITS_HPP 29 #define WEBSOCKETPP_COMMON_TYPE_TRAITS_HPP 30 31 #include <websocketpp/common/cpp11.hpp> 32 33 // If we've determined that we're in full C++11 mode and the user hasn't 34 // explicitly disabled the use of C++11 functional header, then prefer it to 35 // boost. 36 #if defined _WEBSOCKETPP_CPP11_INTERNAL_ && !defined _WEBSOCKETPP_NO_CPP11_TYPE_TRAITS_ 37 #ifndef _WEBSOCKETPP_CPP11_TYPE_TRAITS_ 38 #define _WEBSOCKETPP_CPP11_TYPE_TRAITS_ 39 #endif 40 #endif 41 42 43 #ifdef _WEBSOCKETPP_CPP11_TYPE_TRAITS_ 44 #include <type_traits> 45 #else 46 #include <boost/aligned_storage.hpp> 47 #endif 48 49 50 51 namespace websocketpp { 52 namespace lib { 53 54 #ifdef _WEBSOCKETPP_CPP11_TYPE_TRAITS_ 55 using std::aligned_storage; 56 using std::is_same; 57 #else 58 using boost::aligned_storage; 59 using boost::is_same; 60 #endif 61 62 } // namespace lib 63 } // namespace websocketpp 64 65 #endif // WEBSOCKETPP_COMMON_TYPE_TRAITS_HPP 66