booleanp

booleanp( 
g_obj 
) 
=> t / nil

Description

Checks if an object is a boolean. Returns t if the object is t or nil. Returns nil otherwise.

Arguments

Value Returned

Examples

(booleanp 0 ) 

=> nil
(booleanp nil) 

=> t
(booleanp t) 

=> t

Related Topics

Core Functions