Recently Clojure error messages have vastly improved: http://insideclojure.org/2018/12/17/errors http://insideclojure.org/2018/12/17/errors. As well, Clojure h

Recently Clojure error messages have vastly improved: http://insideclojure.org/2018/12/17/errors http://insideclojure.org/2018/12/17/errors. As well, Clojure has an opt-in solution to type issues: https://clojure.org/about/spec https://clojure.org/about/spec