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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
- using boost::optional;
- #if (!defined BOOST_OPTIONAL_DETAIL_NO_IS_CONSTRUCTIBLE_TRAIT)
- struct X {};
- struct Y {};
-
- struct Resource
- {
- explicit Resource(const X&) {}
- };
- BOOST_STATIC_ASSERT(( boost::is_constructible<Resource, const X&>::value ));
- BOOST_STATIC_ASSERT(( !boost::is_constructible<Resource, const Y&>::value ));
- BOOST_STATIC_ASSERT(( boost::is_constructible<optional<Resource>, const X&>::value ));
- BOOST_STATIC_ASSERT(( !boost::is_constructible<optional<Resource>, const Y&>::value ));
- #ifndef BOOST_OPTIONAL_DETAIL_NO_SFINAE_FRIENDLY_CONSTRUCTORS
- BOOST_STATIC_ASSERT(( boost::is_constructible< optional< optional<int> >, optional<int> >::value ));
- BOOST_STATIC_ASSERT(( !boost::is_constructible< optional<int>, optional< optional<int> > >::value ));
- BOOST_STATIC_ASSERT(( boost::is_constructible< optional< optional<int> >, const optional<int>& >::value ));
- BOOST_STATIC_ASSERT(( !boost::is_constructible< optional<int>, const optional< optional<int> >& >::value ));
- BOOST_STATIC_ASSERT(( boost::is_constructible<optional<Resource>, const optional<X>&>::value ));
- BOOST_STATIC_ASSERT(( !boost::is_constructible<optional<Resource>, const optional<Y>&>::value ));
- #endif
-
- #endif
- int main() { }
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