// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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//
//===----------------------------------------------------------------------===//

// MIT License
//
// Modifications Copyright (C) 2025 Advanced Micro Devices, Inc. All rights reserved.
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// <cuda/std/iterator>
// template <class C> constexpr auto empty(const C& c) -> decltype(c.empty());

// UNSUPPORTED: clang-3.3, clang-3.4, clang-3.5, clang-3.6, clang-3.7, clang-3.8
// nvrtc and nvhpc will not generate warnings/failures on nodiscard attribute
// UNSUPPORTED: nvrtc, hiprtc
// UNSUPPORTED: nvhpc

#include <cuda/std/array>
#include <cuda/std/iterator>

#include "test_macros.h"

int main(int, char**)
{
  cuda::std::array<int, 4> c;
  cuda::std::empty(c); // expected-error {{ignoring return value of function declared with 'nodiscard' attribute}}

  return 0;
}
