This sent me down a rabbit hole reading about the author's style of having an "Arena allocator," [0] which was fascinating. I often did something similar when w

This sent me down a rabbit hole reading about the author's style of having an "Arena allocator," [0] which was fascinating. I often did something similar when writing ANSI C back in the day—allocate a big enough chunk of memory to operate, and do your own bookkeeping. But his Arena implementation looks more flexible and robust. [0]: https://nullprogram.com/blog/2023/09/27/