A few advanced C++ functionality used in this project

Designated initialisers (C++20)
3-way comparison (spaceship) operator (C++20)
Concepts (C++20)
std::format (C++20)
std::span (C++20)
std::source_location (C++20)
std::ranges (C++20)
std::expected (C++23)
std::print (C++23)