Returns the logical AND of the supplied arguments
Supported Platforms: Windows, Mac OS, and Web
Signature
(and [expr ...])
- expr
-
Type: Symbol, Integer, Real, String, T, or nil
Any expression.
Return Values
Type: T or nil
nil, if any of the expressions evaluate to nil; otherwise T. If and is issued without arguments, it returns T.
Examples
(setq a 103 b nil c "string") "string" (and 1.4 a c) T (and 1.4 a b c) nil