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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/24_iterators/range_access/range_access_cpp20.cc
1 // { dg-do compile { target c++20 } }
3 // Copyright (C) 2019-2024 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
20 // N4830 23.7, Range access [iterator.range]
28 constexpr auto s
= std::ssize(i
);
29 const std::ptrdiff_t* check_type
= &s
;
30 static_assert(s
== 1);
36 static int i
[] = { 1, 2 };
37 constexpr auto s
= std::ssize(i
);
38 const std::ptrdiff_t* check_type
= &s
;
39 static_assert(s
== 2);
47 constexpr unsigned short size() const { return 3; }
50 constexpr auto s
= std::ssize(c
);
51 const std::ptrdiff_t* check_type
= &s
;
52 static_assert(s
== 3);
60 constexpr unsigned long long size() const { return 4; }
63 constexpr auto s
= std::ssize(c
);
64 const long long* check_type
= &s
;
65 static_assert(s
== 4);