How do you approach exploratory programming in Elixir?

I do know about r/1 now but the question was a while back and I have no idea whether I did or not back then (or whether that was what I meant by ‘reload’). So thanks from my erstwhile self!

Ironically (or sadly from this perspective) I’m doing more with Rust right now than Elixir, so I’m even further distant from REPLy goodness.