libstdc++-v3/testsuite/25_algorithms/find_first_of/concept_check_1.cc

   1 // Copyright (C) 2004-2024 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-do compile }
  19 // { dg-options "-D_GLIBCXX_CONCEPT_CHECKS" }
  20
  21 #include <algorithm>
  22
  23 class class1
  24 { };
  25
  26 class class2
  27 { };
  28
  29 bool
  30 comp(class1&, class2&)
  31 { return true; }
  32
  33 class1 a;
  34 class2 b;
  35
  36 // http://gcc.gnu.org/ml/libstdc++/2004-10/msg00448.html
  37 void test01()
  38 {
  39   std::find_first_of(&a, &a, &b, &b, comp);
  40 }
  41
  42 int main()
  43 {
  44   test01();
  45   return 0;
  46 }