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//===----------------------------------------------------------------------===//
//
// 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, c++17
// <span>
// tuple_size<span<T, N> >::value
#include <span>
#include "test_macros.h"
template <class T, std::size_t N>
void test()
{
{
typedef std::span<T, N> C;
static_assert((std::tuple_size<C>::value == N), "");
}
{
typedef std::span<T const, N> C;
static_assert((std::tuple_size<C>::value == N), "");
}
{
typedef std::span<T volatile, N> C;
static_assert((std::tuple_size<C>::value == N), "");
}
{
typedef std::span<T const volatile, N> C;
static_assert((std::tuple_size<C>::value == N), "");
}
}
int main(int, char**)
{
test<double, 0>();
test<double, 3>();
test<double, 5>();
return 0;
}
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