1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
//===----------------------------------------------------------------------===//
//
// 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 V base() const& requires copy_constructible<V>
// constexpr V base() &&
#include <ranges>
#include "test_macros.h"
#include "types.h"
constexpr bool test() {
{
std::ranges::transform_view<MoveOnlyView, PlusOne> transformView;
MoveOnlyView base = std::move(transformView).base();
ASSERT_SAME_TYPE(MoveOnlyView, decltype(std::move(transformView).base()));
assert(std::ranges::begin(base) == globalBuff);
}
{
std::ranges::transform_view<CopyableView, PlusOne> transformView;
CopyableView base1 = transformView.base();
ASSERT_SAME_TYPE(CopyableView, decltype(transformView.base()));
assert(std::ranges::begin(base1) == globalBuff);
CopyableView base2 = std::move(transformView).base();
ASSERT_SAME_TYPE(CopyableView, decltype(std::move(transformView).base()));
assert(std::ranges::begin(base2) == globalBuff);
}
{
const std::ranges::transform_view<CopyableView, PlusOne> transformView;
const CopyableView base1 = transformView.base();
ASSERT_SAME_TYPE(CopyableView, decltype(transformView.base()));
assert(std::ranges::begin(base1) == globalBuff);
const CopyableView base2 = std::move(transformView).base();
ASSERT_SAME_TYPE(CopyableView, decltype(std::move(transformView).base()));
assert(std::ranges::begin(base2) == globalBuff);
}
return true;
}
int main(int, char**) {
test();
static_assert(test());
return 0;
}
|
