Immutable values

work in progress

Values in Clojure include numbers, characters and strings. When you use functions on these values they do not change, instead a new value is returned.

Lets look at a simple example with a number:

(def two-little-ducks 22)

(inc two-little-ducks)
;; => 23

;; => 22

Another example with a string:

(def message "Strings are immutable")

(str message "," " " "you cant change them")
;; => "Strings are immutable, you cant change them"

;; => "Strings are immutable"

Add an exercise

Reveal answer

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