Hello guys,

There any way to hide the contents of a list as does the structure?

(define lst (list "abc" 123 (+ 12 32)))
lst ; --> '("abc" 123 44) something like #<list>

(define-struct user (nom ape))
(define u (make-user "nom" "ape"))
user ; --> #<procedure:user>
u ; --> #<user>

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