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// Copyright (C) 2014 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
#include "boost/core/lightweight_test.hpp"
#include "boost/none.hpp"
struct SemiRegular // no operator==
{
private: void operator==(SemiRegular const&) const {}
private: void operator!=(SemiRegular const&) const {}
};
void test_equal_to_none_of_noncomparable_T()
{
boost::optional<SemiRegular> i = SemiRegular();
boost::optional<SemiRegular> o;
BOOST_TEST(i != boost::none);
BOOST_TEST(boost::none != i);
BOOST_TEST(o == boost::none);
BOOST_TEST(boost::none == o);
}
int main()
{
test_equal_to_none_of_noncomparable_T();
return boost::report_errors();
}
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