| // Copyright (C) 2003, Fernando Luis Cacciola Carballal. |
| // 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: |
| // fernando_cacciola@hotmail.com |
| |
| #include<string> |
| #include "boost/optional/optional.hpp" |
| |
| #ifdef __BORLANDC__ |
| #pragma hdrstop |
| #endif |
| |
| #ifndef BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT |
| #include "boost/utility/in_place_factory.hpp" |
| #include "boost/utility/typed_in_place_factory.hpp" |
| #endif |
| |
| #include "boost/core/lightweight_test.hpp" |
| #include "boost/none.hpp" |
| |
| struct Guard |
| { |
| double num; |
| std::string str; |
| Guard() : num() {} |
| Guard(double num_, std::string str_) : num(num_), str(str_) {} |
| |
| friend bool operator==(const Guard& lhs, const Guard& rhs) { return lhs.num == rhs.num && lhs.str == rhs.str; } |
| friend bool operator!=(const Guard& lhs, const Guard& rhs) { return !(lhs == rhs); } |
| |
| private: |
| Guard(const Guard&); |
| Guard& operator=(const Guard&); |
| }; |
| |
| |
| int main() |
| { |
| #ifndef BOOST_OPTIONAL_NO_INPLACE_FACTORY_SUPPORT |
| typedef int BAD_TARGET_TYPE; |
| boost::optional<Guard> og1 ( boost::in_place<BAD_TARGET_TYPE>(1.0, "one") ); |
| #else |
| NOTHING_TO_TEST_SO_JUST_FAIL |
| #endif |
| return 0; |
| } |