I missed mostly three things: 1. simple data definition. Clojure has EDN, python has nice syntax as well, and javascript has json. 2. pretty print 3. succinc

I missed mostly three things: 1. simple data definition. Clojure has EDN, python has nice syntax as well, and javascript has json. 2. pretty print 3. succinct function definition/execution, and standard array of functional tooling (map, filter, reduce, etc) Maybe the 3rd thing did get better with Java 8?