libstdc++-v3/testsuite/20_util/is_swappable/requirements/typedefs_ext.cc

   1 // { dg-do compile { target c++11 } }
   2
   3 // Copyright (C) 2015-2020 Free Software Foundation, Inc.
   4 //
   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)
   9 // any later version.
  10 //
  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.
  15 //
  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/>.
  19
  20 #include <type_traits>
  21
  22 void test01()
  23 {
  24   // Check for required typedefs
  25   typedef std::__is_swappable<int>          test_type;
  26   typedef test_type::value_type             value_type;
  27   typedef test_type::type                   type;
  28   typedef test_type::type::value_type       type_value_type;
  29   typedef test_type::type::type             type_type;
  30 }