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, c++17, c++20
10
11// <mdspan>
12
13// Test default construction:
14//
15// constexpr default_accessor() noexcept = default;
16
17#include <mdspan>
18#include <cassert>
19#include <cstdint>
20#include <type_traits>
21
22#include "test_macros.h"
23
24#include "../MinimalElementType.h"
25
26template <class T>
27constexpr void test_construction() {
28 ASSERT_NOEXCEPT(std::default_accessor<T>{});
29 [[maybe_unused]] std::default_accessor<T> acc;
30 static_assert(std::is_trivially_default_constructible_v<std::default_accessor<T>>);
31}
32
33constexpr bool test() {
34 test_construction<int>();
35 test_construction<const int>();
36 test_construction<MinimalElementType>();
37 test_construction<const MinimalElementType>();
38 return true;
39}
40
41int main(int, char**) {
42 test();
43 static_assert(test());
44 return 0;
45}
46

source code of libcxx/test/std/containers/views/mdspan/default_accessor/ctor.default.pass.cpp