Mercurial > hg > CbC > CbC_gcc
view libstdc++-v3/testsuite/24_iterators/istream_iterator/cons/sentinel.cc @ 152:2b5abeee2509
update gcc11
author | anatofuz |
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date | Mon, 25 May 2020 07:50:57 +0900 |
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// { dg-options "-std=gnu++2a" } // { dg-do compile { target c++2a } } // Copyright (C) 2020 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/>. #include <iterator> #include <istream> // C++20 doesn't require this to be non-throwing. static_assert( std::is_nothrow_constructible_v<std::istream_iterator<int>, std::default_sentinel_t> ); constexpr std::istream_iterator<int> i = std::default_sentinel; struct X { X() noexcept(false); }; std::istream& operator<<(std::istream&, X&); static_assert( std::is_constructible_v<std::istream_iterator<X>, std::default_sentinel_t> ); static_assert( ! std::is_nothrow_constructible_v<std::istream_iterator<X>, std::default_sentinel_t> );