//===----------------------------------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // UNSUPPORTED: c++03, c++11, c++14 // // struct nullopt_t{see below}; // inline constexpr nullopt_t nullopt(unspecified); // [optional.nullopt]/2: // Type nullopt_t shall not have a default constructor or an initializer-list // constructor, and shall not be an aggregate. #include int main(int, char**) { std::nullopt_t n = {}; return 0; }