12345678910111213141516171819202122232425262728293031323334353637383940414243 |
- //-----------------------------------------------------------------------------
- // boost-libs variant/test/variant_get_test.cpp source file
- // See http://www.boost.org for updates, documentation, and revision history.
- //-----------------------------------------------------------------------------
- //
- // Copyright (c) 2017-2017 Albert Sverdlov
- //
- // Distributed under 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)
- #include "boost/variant/get.hpp"
- #include "boost/variant/variant.hpp"
- #include "boost/core/lightweight_test.hpp"
- #include <boost/move/move.hpp>
- #include <boost/static_assert.hpp>
- #include <string>
- #define UNUSED(v) (void)(v)
- inline void run()
- {
- #ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
- typedef boost::variant<int, std::string> var_t;
- std::string s = "abacaba";
- var_t v = s;
- // must spit an error at compile-time because of 'std::string&'
- std::string new_s = boost::strict_get<std::string&>(boost::move(v));
- UNUSED(new_s);
- #else
- BOOST_STATIC_ASSERT_MSG(false, "Dummy compile-time error to pass the test on C++03");
- #endif
- }
- int main()
- {
- run();
- return boost::report_errors();
- }
|