String.to_existing_atom/1 is a double-edged sword
I’d argue Elixir has relatively few gotchas. It’s a simple and consistent language and when you first learn it there’s only a few things that are genuinely counter-intuitive and catch you by surprise…
https://nietaki.com/2018/12/04/string-to-existing-atom-is-a-double-edged-sword/
Read next Leandro Bighetti - How to teach Elixir to non-functional developers - Code BEAM Lite Berlin 18