This is educational material and does not compile without the pieces not included here!
Missing:
- a sufficiently complete and conforming C++23 standard library with support for
<expected>and<print> - a prebuilt or self-created module for Boost.Program_options
- a prebuilt or self-created module for stand-alone (i.e. non-Boost) Asio v1.22.0 or later
- a prebuilt or self-created module for libav
- a prebuilt or self-created module for SDL