| // 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 BOOST_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; |
| } |
