Constant [Concept]
Purpose
The Constant predicate tests whether a given object is a Loom constant.
Syntax
Constant object
Argument
The object argument is any object.
Value
The Constant predicate returns t if object is a number, character, string, symbol, or list.
Examples
(ask (Constant 98.6)) ==> T
(ask (Constant \#\a)) ==> T
(ask (Constant "abc")) ==> T
(ask (Constant 'foo)) ==> T
(ask (Constant '(a b c))) ==> T
(ask (Constant ())) ==> T
(ask (Constant Thing)) ==> NIL
See Also
Last modified: Jun 1 1995