So "non magic" means to write everything then? Because the example you showed you have to understand a language feature, attributes. Then see the source code, w

So "non magic" means to write everything then? Because the example you showed you have to understand a language feature, attributes. Then see the source code, which is open, and how it's being used. So, are Rust macros, or C macros, C++ templating magic or it's just means "I don't want to know how this works therefore it's magic"?