libstdc++-v3/testsuite/24_iterators/istreambuf_iterator/cons/sentinel.cc

   1 // { dg-options "-std=gnu++2a" }
   2 // { dg-do compile { target c++2a } }
   3 // { dg-require-effective-target hosted }
   4
   5 // Copyright (C) 2020-2023 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License along
  19 // with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <iterator>
  23
  24 static_assert( std::is_nothrow_constructible_v<std::istreambuf_iterator<char>,
  25                                                std::default_sentinel_t> );
  26
  27 constexpr std::istreambuf_iterator<char> i = std::default_sentinel;