46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
// Copyright (C) 2019-2021 Free Software Foundation, Inc.
|
|
//
|
|
// This file is part of the GNU ISO C++ Library. This library is free
|
|
// software; you can redistribute it and/or modify it under the
|
|
// terms of the GNU General Public License as published by the
|
|
// Free Software Foundation; either version 3, or (at your option)
|
|
// any later version.
|
|
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU General Public License along
|
|
// with this library; see the file COPYING3. If not see
|
|
// <http://www.gnu.org/licenses/>.
|
|
|
|
// { dg-options "-std=gnu++2a" }
|
|
// { dg-do compile { target c++2a } }
|
|
|
|
#include <variant>
|
|
#include <testsuite_hooks.h>
|
|
|
|
// { dg-error "same return type for all alternatives" "" { target *-*-* } 0 }
|
|
// { dg-prune-output "in 'constexpr' expansion" }
|
|
|
|
void
|
|
test01()
|
|
{
|
|
{
|
|
struct Visitor
|
|
{
|
|
double operator()(double) {return 0.02;}
|
|
void operator()(int) {}
|
|
};
|
|
std::variant<int, double> v;
|
|
std::visit(Visitor(), v);
|
|
}
|
|
}
|
|
|
|
int
|
|
main()
|
|
{
|
|
test01();
|
|
}
|