libcxx/test/std/containers/sequences/array/lwg3382.compile.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 // <array>
  10 // UNSUPPORTED: c++03, c++11, c++14, c++17
  11
  12 #include <array>
  13
  14 template <auto>
  15 struct Test {};
  16
  17 void test() {
  18   // LWG 3382. NTTP for pair and array
  19   // https://cplusplus.github.io/LWG/issue3382
  20   constexpr std::array<int, 5> a{};
  21   [[maybe_unused]] Test<a> test1{};
  22
  23   constexpr std::array<int, 0> b{};
  24   [[maybe_unused]] Test<b> test2{};
  25 }