Simplified Common Lisp reference

Symbol class: Functions, Evaluation, Flow Control, Definitions and Syntax

Syntax:

Symbol type: special form

setqpairs^{(zero or more)} => an object

Argument description:

pairs

pairs of variables and values

SETQ special form sets a variable. If a variable name is not know, implementation may create new one global and dynamic one. See also LET, SETF.

(let (a b) (setq a 4) (setq b 3) (setq a (+ a b))) => 7