| // { dg-do compile { target c++11 } } |
| |
| // Copyright (C) 2010-2021 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/>. |
| |
| // C++ 2011 24.6.5, range access [iterator.range] |
| |
| #include <iterator> |
| |
| void |
| test01() |
| { |
| int arr[3] = {1, 2, 3}; |
| (void) std::begin(arr); |
| (void) std::end(arr); |
| |
| static_assert( noexcept(std::begin(arr)), "LWG 2280" ); |
| static_assert( noexcept(std::end(arr)), "LWG 2280" ); |
| } |
| |
| void |
| test02() |
| { |
| extern void require_int(int*); |
| extern void require_long(long*); |
| |
| struct B |
| { |
| int* begin() { return nullptr; } |
| long* begin() const { return nullptr; } |
| }; |
| |
| B b; |
| require_int( std::begin(b) ); |
| require_long( std::begin(const_cast<const B&>(b)) ); |
| |
| struct E |
| { |
| int* end() { return nullptr; } |
| long* end() const { return nullptr; } |
| }; |
| |
| E e; |
| require_int( std::end(e) ); |
| require_long( std::end(const_cast<const E&>(e)) ); |
| } |