https://en.cppreference.com/w/cpp/utility/format https://en.cppreference.com/w/cpp/utility/format for C++20 and https://en.cppreference.com/w/cpp/io/print https

https://en.cppreference.com/w/cpp/utility/format https://en.cppreference.com/w/cpp/utility/format for C++20 and https://en.cppreference.com/w/cpp/io/print https://en.cppreference.com/w/cpp/io/print for C++23 https://github.com/fmtlib/fmt https://github.com/fmtlib/fmt is what it's based on, for C++11 and up support.