lispdoc - results for listp |
(listp object) | Function: Return true if OBJECT is a LIST, and NIL otherwise.
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Example:(defun arg3 (instr) (if (listp instr) (fourth instr))) | Mentioned in: CLtL2 - 15.1. Conses CLtL2 - 6.2.2. Specific Data Type Predicates HyperSpec - Function LISTP On Lisp - Need for Macros On Lisp - Operations on Lists PCL - list manipulation functions |
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| By Bill Moorier |
