blob: 35f1e4362c9ad15e8db534fefb7bab81a02fc88f (
plain)
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
|
// Copyright (C) 2020-2022 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-options "-std=gnu++2a" }
// { dg-do compile { target c++2a } }
#include <array>
#include <iterator>
#include <ranges>
namespace ranges = std::ranges;
namespace views = std::views;
void
test01()
{
int x[] = {1};
auto rx = ranges::subrange{std::counted_iterator(x,1), std::default_sentinel};
std::array<decltype(rx), 5> y = {rx, rx, rx, rx, rx,};
auto v = y | views::join;
auto i = v.begin();
++i;
++i;
--i; // { dg-error "no match" }
i--; // { dg-error "" }
}
|
