libcxx/test/std/utilities/variant/variant.synopsis/variant_npos.pass.cpp

   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
  19 int main(int, char**) {
  20   static_assert(std::variant_npos == static_cast<std::size_t>(-1), "");
  21
  22   return 0;
  23 }