| // Copyright (C) 2015 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/core/ignore_unused.hpp" |
| #include "boost/core/lightweight_test.hpp" |
| #include "boost/optional/detail/optional_config.hpp" |
| |
| #if (defined BOOST_NO_CXX11_RVALUE_REFERENCES) || (defined BOOST_OPTIONAL_CONFIG_NO_LEGAL_CONVERT_FROM_REF) |
| |
| int main() { return 0; } |
| |
| #else |
| |
| struct S {}; |
| |
| struct Binder |
| { |
| S& ref_; |
| template <typename R> Binder (R&&r) : ref_(r) {} |
| }; |
| |
| int main() |
| { |
| S s ; |
| Binder b = s; |
| boost::ignore_unused(b); |
| return 0; |
| } |
| |
| #endif |
