1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// UNSUPPORTED: c++03, c++11, c++14
10
11// <variant>
12
13// constexpr size_t variant_npos = -1;
14
15#include <variant>
16
17#include "test_macros.h"
18
19int main(int, char**) {
20 static_assert(std::variant_npos == static_cast<std::size_t>(-1), "");
21
22 return 0;
23}
24

source code of libcxx/test/std/utilities/variant/variant.synopsis/variant_npos.pass.cpp