; Adds a single element to a vector (note with vectors, item is added to the end) (conj [:a :b :c] :d) => [:a :b :c :d]
; Adds a single element to a vector (note with vectors, item is added to the end) (conj [:a :b :c] :d) => [:a :b :c :d]
; Adds a single element to a vector (conj [:a :b :c] :d) => [:a :b :c :d]
(conj [:jack :chrissy :janet] :cindy) => [:jack :chrissy :janet :cindy]