JSON for Classic C++ json.cpp is an anti-modern JSON parsing / serialization library for C++. This project is a reaction against https://github.com/nlohmann/json/ which provides a modern C++ library for JSON. Our alternative: Compiles 10x faster. An object that does nothing with JSON except calling nlohmann::ordered_json::parse will take at minimum 1200 ms to compile. This is an unacceptably slow minimum overhead. With this project, you're instead looking at about 120 ms, and nearly all of that ...