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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.hpp"
- //
- // THIS TEST SHOULD FAIL TO COMPILE
- //
- #if !defined(BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS)
- bool test_implicit_conversion_to_bool()
- {
- boost::optional<int> opt;
- return opt;
- }
- #else
- # error "Test skipped: this compiler does not support explicit conversion operators."
- #endif
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