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1// { dg-options "-std=gnu++1y" }
2// { dg-do run }
3
aa118a03 4// Copyright (C) 2013-2014 Free Software Foundation, Inc.
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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
24struct value_type
25{
26 int i;
27};
28
29int main()
30{
31 std::experimental::optional<value_type> o { value_type { 51 } };
32 value_type fallback { 3 };
33 VERIFY( o.value_or(fallback).i == 51 );
34 VERIFY( o.value_or(fallback).i == (*o).i );
35}