Dec 22, 2022 1 min elixir / til / guards TIL: Check if Elixir map has a key in a guard A quick tip on checking map keys in Elixir guards Today’s Advent of Code puzzle inspired me to create this TIL. It may sound trivial, but in fact, it’s tricky if you are unfamiliar with the nuances of guards’ functioning. Read the full TIL on Curiosum website ↗.