From the ingress:

This post can be considered an advanced Zig tutorial. I will be covering some of the more unique aspects of the language, but won’t be explaining the easy part. If you haven’t read the Zig Language Reference, you might start there. Additionally, we will also learn the foundational trick for implementing relational model.

You will learn a sizable chunk of Zig after this post, but this isn’t going to be an easy read, so prepare your favorite beverage and get comfy!