// -*- C++ -*- //===----------------------------------------------------------------------===// // // 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++98, c++03, c++11, c++14 // // template struct variant_size; // undefined // template struct variant_size; // template struct variant_size; // template struct variant_size; // template constexpr size_t variant_size_v // = variant_size::value; #include #include #include #include "test_macros.h" template void test() { static_assert(std::variant_size::value == E, ""); static_assert(std::variant_size::value == E, ""); static_assert(std::variant_size::value == E, ""); static_assert(std::variant_size::value == E, ""); static_assert(std::variant_size_v == E, ""); static_assert(std::variant_size_v == E, ""); static_assert(std::variant_size_v == E, ""); static_assert(std::variant_size_v == E, ""); static_assert(std::is_base_of, std::variant_size>::value, ""); }; int main(int, char**) { test, 0>(); test, 1>(); test, 4>(); return 0; }