Re: https://firmwaresecurity.com/2019/01/01/zig-language-for-uefi/
the Github site listed above is no longer there. However, see:
https://github.com/nrdmn/zig-uefi
And there’s a Game of Life for UEFI written in Zig:
https://github.com/nrdmn/uefi-gameoflife
See-also: https://ziglang.org/
https://en.wikipedia.org/wiki/Conway%27s_Game_of_Life