libstdc++-v3/testsuite/25_algorithms/clamp/requirements/explicit_instantiation/1.cc

   1 // { dg-do compile { target c++17 } }
   2
   3 // Copyright (C) 2016-2022 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 <algorithm>
  21 #include <functional>
  22 #include <testsuite_api.h>
  23
  24 #ifndef __cpp_lib_clamp
  25 # error "Feature-test macro for clamp missing"
  26 #elif __cpp_lib_clamp != 201603
  27 # error "Feature-test macro for clamp has wrong value"
  28 #endif
  29
  30 namespace std
  31 {
  32   using __gnu_test::NonDefaultConstructible;
  33
  34   typedef NonDefaultConstructible       value_type;
  35   typedef value_type*                   iterator_type;
  36   typedef std::less<value_type>         compare_type;
  37
  38   template const value_type& clamp(const value_type&,
  39                                    const value_type&, const value_type&);
  40   template const value_type& clamp(const value_type&,
  41                                    const value_type&, const value_type&,
  42                                    compare_type);
  43 }