Day 7: "No Space Left On Device"
This was particularly challenging in Rust due to the need for Rc/RefCell wrapping of nodes in the tree. Certainly a case where #ruby would shine.
Borrowing, cloning, unwrapping... definitely felt the borrow checker pain on this one.
Puzzle: https://adventofcode.com/2022/day/7
Solution:
https://github.com/haruska/aoc22/blob/main/src/day07.rs