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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
// drop_view() requires default_initializable<V> = default;
#include <ranges>
#include "test_macros.h"
#include "types.h"
constexpr bool test() {
std::ranges::drop_view<MoveOnlyView> dropView1;
assert(std::ranges::begin(dropView1) == globalBuff);
static_assert( std::is_default_constructible_v<std::ranges::drop_view<ForwardView>>);
static_assert(!std::is_default_constructible_v<std::ranges::drop_view<NoDefaultCtorForwardView>>);
LIBCPP_STATIC_ASSERT( std::is_nothrow_default_constructible_v<std::ranges::drop_view<ForwardView>>);
static_assert(!std::is_nothrow_default_constructible_v<ThrowingDefaultCtorForwardView>);
static_assert(!std::is_nothrow_default_constructible_v<std::ranges::drop_view<ThrowingDefaultCtorForwardView>>);
return true;
}
int main(int, char**) {
test();
static_assert(test());
return 0;
}
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