Simplified Common Lisp reference

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

Syntax:

Symbol type: macro

condvariants => an object

Argument description:

variants

list of test and code variants

COND macro is used for branching. Variants are tested sequentially from the top. See also IF, CASE.

(cond ((> 3 4) "variant 1")
      ((> 4 2) "variant 2")
      (t "always valid variant")) => "variant 2"