1234567891011121314151617181920212223242526272829303132 |
- // Copyright (C) 2017 Andrzej Krzemienski.
- //
- // Use, modification, and distribution is subject to the Boost Software
- // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- //
- // See http://www.boost.org/lib/optional for documentation.
- //
- // You are welcome to contact the author at:
- // akrzemi1@gmail.com
- #include "boost/optional/optional.hpp"
- #ifdef __BORLANDC__
- #pragma hdrstop
- #endif
- boost::optional<int> getitem();
- int main(int argc, const char *[])
- {
- boost::optional<int> a = getitem();
- boost::optional<int> b;
- if (argc > 0)
- b = argc;
- if (a == b)
- return 1;
- return 0;
- }
|