1 // Copyright 2018 The Fuchsia Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef LIB_STDCOMPAT_OPTIONAL_H_ 6 #define LIB_STDCOMPAT_OPTIONAL_H_ 7 8 #include <optional> 9 10 #include "utility.h" 11 #include "version.h" 12 13 namespace cpp17 { 14 15 using std::bad_optional_access; 16 using std::make_optional; 17 using std::nullopt; 18 using std::nullopt_t; 19 using std::optional; 20 21 } // namespace cpp17 22 23 #endif // LIB_STDCOMPAT_OPTIONAL_H_ 24