optional/test/optional_test_fail_convert_from_null.cpp

// 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.hpp"

//
// THIS TEST SHOULD FAIL TO COMPILE
//

struct NoInitFromNull{};

void test_conversion_from_null()
{
  boost::optional<NoInitFromNull> opt = 0;
}