Not all Clojure REPLs have slow startup. Clojure is a hosted language, it sits atop another PL. For instance, REPL of nbb (which runs on Node) is instantaneous,

Not all Clojure REPLs have slow startup. Clojure is a hosted language, it sits atop another PL. For instance, REPL of nbb (which runs on Node) is instantaneous, and babashka (for bash scripting) is also very fast.