I recently (finally!) finished the Advent of Code challenges using Haskell. I'm still a Haskell wannabe, but the suite of problems provided an interesting backdrop for a number of Haskell concepts that I wanted to share. The long-form retrospective is here; if you want to see a condensed collection of a few Haskell toolchain by-products, check out my shorter summary under GitHub pages. --- Disclaimer: I am not a Haskell expert (or even what I would label experienced), so the approaches and re...