cons

A cons is a sequence type which holds a value and a reference to another sequence.

(ns clojure.examples.example
   (:gen-class))
(defn example []
   (println (cons 0 (list 1 2,3))))
(example)

(0 1 2 3)

(ns clojure.examples.example
   (:gen-class))

;; This program displays Hello World
(defn Example []
   (println (cons 0 (seq [1 2 3]))))
(Example)

(0 1 2 3)

• https://www.tutorialspoint.com/clojure/clojure_lists_cons.htm
• https://www.tutorialspoint.com/clojure/clojure_sequences_cons.htm