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ANSI Common Lisp  14 Conses 14.2 Dictionary of Conses
- Syntax:
-
cons
object-1 object-2
 cons
- Arguments and Values:
-
object-1 - an object.
object-2 - an object.
cons - a cons.
- Description:
-
Creates a fresh cons, the car of which is object-1
and the cdr of which is object-2.
- Examples:
-
(cons 1 2) (1 . 2)
(cons 1 nil) (1)
(cons nil 2) (NIL . 2)
(cons nil nil) (NIL)
(cons 1 (cons 2 (cons 3 (cons 4 nil)))) (1 2 3 4)
(cons 'a 'b) (A . B)
(cons 'a (cons 'b (cons 'c '()))) (A B C)
(cons 'a '(b c d)) (A B C D)
- See Also:
-
list
- Notes:
-
If object-2 is a list, cons can be thought of as
producing a new list which is like it but has object-1 prepended.
- Allegro CL Implementation Details:
-
None.
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