Clojure goes to great lengths in the design-space to craft the puzzle pieces – immutability, lambdas, simplicity, blessed primitives for state and identity – in

Clojure goes to great lengths in the design-space to craft the puzzle pieces – immutability, lambdas, simplicity, blessed primitives for state and identity – in such a way that Clojure's idioms are centered on clarity of thought instead of guard rails. This is why Clojure works (for people willing to go deep) in many places where Js/Ruby/Python don't.