make-list size &key initial-element → list

size — a non-negative integer.

initial-element — an object. The default is nil.

list — a list.

Returns a list of length given by size, each of the elements of which is initial-element.

(make-list 5) → (NIL NIL NIL NIL NIL) 
(make-list 3 :initial-element 'rah) → (RAH RAH RAH) 
(make-list 2 :initial-element '(1 2 3)) → ((1 2 3) (1 2 3)) 
(make-list 0) → NIL ;i.e.,  () 
(make-list 0 :initial-element 'new-element) → NIL

Should signal an error of type type-error if size is not a non-negative integer.

cons, list