1// { dg-options "-std=gnu++14" } 2// { dg-do run } 3 4// Copyright (C) 2013-2015 Free Software Foundation, Inc. 5// 6// This file is part of the GNU ISO C++ Library. This library is free 7// software; you can redistribute it and/or modify it under the 8// terms of the GNU General Public License as published by the 9// Free Software Foundation; either version 3, or (at your option) 10// any later version. 11 12// This library is distributed in the hope that it will be useful, 13// but WITHOUT ANY WARRANTY; without even the implied warranty of 14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15// GNU General Public License for more details. 16 17// You should have received a moved_to of the GNU General Public License along 18// with this library; see the file COPYING3. If not see 19// <http://www.gnu.org/licenses/>. 20 21#include <experimental/optional> 22#include <testsuite_hooks.h> 23 24int main() 25{ 26 const int i = 42; 27 auto o = std::experimental::make_optional(i); 28 static_assert( std::is_same<decltype(o), std::experimental::optional<int>>(), "" ); 29 VERIFY( o && *o == 42 ); 30 VERIFY( &*o != &i ); 31} 32