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28 lines
915 B
C++
28 lines
915 B
C++
// Copyright (c) 2016-2026 Antony Polukhin
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// To compile manually use a command like the folowing:
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// clang++ -std=c++20 -fmodule-file=pfr.pcm pfr.pcm usage_sample.cpp
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#include <iostream>
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#include <boost/pfr.hpp>
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struct some_person {
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std::string name;
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unsigned birth_year;
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};
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void mu1_act() {
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some_person val{"Edgar Allan Poe", 1809};
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std::cout << boost::pfr::get<0>(val) // No macro!
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<< " was born in " << boost::pfr::get<1>(val); // Works with any aggregate!
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std::cout << '\n' << boost::pfr::io(val); // Outputs: {"Edgar Allan Poe", 1809}
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std::cout << "\n." << boost::pfr::get_name<0, some_person>()
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<< '=' << val.name << '\n'; // Outputs: .name=Edgar Allan Poe
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}
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