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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
//
//===----------------------------------------------------------------------===//
// <array>
// template <size_t I, class T, size_t N> const T&& get(const array<T, N>&& a);
// UNSUPPORTED: c++98, c++03
#include <array>
#include <memory>
#include <type_traits>
#include <utility>
#include <cassert>
#include "test_macros.h"
// std::array is explicitly allowed to be initialized with A a = { init-list };.
// Disable the missing braces warning for this reason.
#include "disable_missing_braces_warning.h"
int main(int, char**)
{
{
typedef std::unique_ptr<double> T;
typedef std::array<T, 1> C;
const C c = {std::unique_ptr<double>(new double(3.5))};
static_assert(std::is_same<const T&&, decltype(std::get<0>(std::move(c)))>::value, "");
static_assert(noexcept(std::get<0>(std::move(c))), "");
const T&& t = std::get<0>(std::move(c));
assert(*t == 3.5);
}
#if TEST_STD_VER > 11
{
typedef double T;
typedef std::array<T, 3> C;
constexpr const C c = {1, 2, 3.5};
static_assert(std::get<0>(std::move(c)) == 1, "");
static_assert(std::get<1>(std::move(c)) == 2, "");
static_assert(std::get<2>(std::move(c)) == 3.5, "");
}
#endif
return 0;
}
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