libstdc++-v3/testsuite/20_util/variant/relops/90008.cc

   1 // Copyright (C) 2019-2021 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-options "-std=gnu++17" }
  19 // { dg-do compile { target c++17 } }
  20
  21 #include <variant>
  22
  23 struct NoCopy
  24 {
  25   NoCopy();
  26   NoCopy(const NoCopy&) = delete;
  27 };
  28
  29 bool operator==(const NoCopy&, const NoCopy&);
  30
  31 using V = std::variant<NoCopy, int>;
  32
  33 bool
  34 test01(const V& lhs, const V& rhs)
  35 {
  36   return lhs == rhs;
  37 }