In Clojure: 1) pipeline operator: thread macro 2) pattern-matching: multimethods, core.match 3) reactive programming: Reagent/re-frame, atoms, core.async 4)

In Clojure: 1) pipeline operator: thread macro 2) pattern-matching: multimethods, core.match 3) reactive programming: Reagent/re-frame, atoms, core.async 4) implicit name 'it': % 5) destructuring: destructuring 6) cascade: .. macro 7) if: if 8) try: try 9) currying: currying 10) method extensions: protocols