and


(and  [expression [ expression ... ]] )

This function returns the logical AND of all provided expression arguments.

Arguments

expression  any Lisp value, symbol, or expression

Return

T if all arguments are non-NIL; NIL if any argument is NIL

Example

(setq res 1.25 ok NIL)
(and "message" res)  T
(and res ok)  NIL

Remarks




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