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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++03, c++11, c++14, c++17
// constexpr explicit single_view(const T& t);
// constexpr explicit single_view(T&& t);
#include <cassert>
#include <ranges>
#include <utility>
#include "test_macros.h"
struct Empty {};
struct BigType { char buffer[64] = {10}; };
constexpr bool test() {
{
BigType bt;
std::ranges::single_view<BigType> sv(bt);
assert(sv.data()->buffer[0] == 10);
assert(sv.size() == 1);
}
{
const BigType bt;
const std::ranges::single_view<BigType> sv(bt);
assert(sv.data()->buffer[0] == 10);
assert(sv.size() == 1);
}
{
BigType bt;
std::ranges::single_view<BigType> sv(std::move(bt));
assert(sv.data()->buffer[0] == 10);
assert(sv.size() == 1);
}
{
const BigType bt;
const std::ranges::single_view<BigType> sv(std::move(bt));
assert(sv.data()->buffer[0] == 10);
assert(sv.size() == 1);
}
return true;
}
int main(int, char**) {
test();
static_assert(test());
return 0;
}
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