> slower than [...] nlohmann::json considering that nlohmann::json not even a performance-oriented json library, generally benchmarking at 20% of the performan

> slower than [...] nlohmann::json considering that nlohmann::json not even a performance-oriented json library, generally benchmarking at 20% of the performance of RapidJSON (which itself is not even close to the fastest you can reach in C++) that's... scary