// The MIT License (MIT) // Copyright (c) 2013-2016 Rapptz, ThePhD and contributors // Permission is hereby granted, free of charge, to any person obtaining a copy of // this software and associated documentation files (the "Software"), to deal in // the Software without restriction, including without limitation the rights to // use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of // the Software, and to permit persons to whom the Software is furnished to do so, // subject to the following conditions: // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS // FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR // COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #ifndef SOL_OPTIONAL_HPP #define SOL_OPTIONAL_HPP #if defined(SOL_USE_BOOST) #include #include "../sol/in_place.hpp" #else #include "../Optional/optional.hpp" #endif // Boost vs. Better optional namespace sol { #if defined(SOL_USE_BOOST) template using optional = boost::optional; using nullopt_t = boost::none_t; const nullopt_t nullopt = boost::none; #endif // Boost vs. Better optional } // sol #endif // SOL_OPTIONAL_HPP