> What I saw was that the repl leads to a runtime state that is invisible and therefore hard to predict I'd also add to what Borkdude said: it also helps that

> What I saw was that the repl leads to a runtime state that is invisible and therefore hard to predict I'd also add to what Borkdude said: it also helps that Clojure strongly encourages you to keep runtime state localized (not spread all over the places).