| 1 | // Copyright (c) 2016-2024 Antony Polukhin |
| 2 | // |
| 3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 5 | |
| 6 | // requires: C++14 |
| 7 | #include <iostream> |
| 8 | #include "boost/pfr.hpp" |
| 9 | |
| 10 | struct my_struct { // no ostream operator defined! |
| 11 | int i; |
| 12 | char c; |
| 13 | double d; |
| 14 | }; |
| 15 | |
| 16 | int main() { |
| 17 | my_struct s{.i: 100, .c: 'H', .d: 3.141593}; |
| 18 | std::cout << "my_struct has " |
| 19 | << boost::pfr::tuple_size<my_struct>::value // Outputs: 3 |
| 20 | << " fields: " |
| 21 | << boost::pfr::io(value&: s); // Outputs: {100, 'H', 3.141593} |
| 22 | } |
| 23 | |