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objectp
Type: |
- |
predicate function (subr) |
Source: |
- |
xlbfun.c |
Syntax
- (objectp expr)
- expr - the expression to check
returns - T if the expression
is an object, NIL otherwise
Description
The 'objectp' predicate function checks if the 'expr' is an object.
T is returned if 'expr' is
an object, NIL is returned otherwise.
Examples
(objectp object) ; returns T
(objectp class) ; returns T
(objectp NIL) ; returns NIL
(objectp '(a b)) ; returns NIL
See the
objectp
predicate function in the XLISP 2.0 manual.
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XLISP 2.0 -
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