procedurep

procedurep( 
g_obj 
) 
=> t / nil

Description

Checks if an object is a procedure, or function, object.

A procedure may be a function object defined in SKILL or SKILL++, or system primitives. Symbols are not considered procedures even though they may have function bindings.

Arguments

g_obj

Any SKILL object.

Value Returned

t	The argument is a procedure, function, or object.
nil	The argument is not a procedure, function, or object.

Examples

(procedurep 123 )            
=> nil

(procedurep (getd 'plus))    
=> t

(procedurep 'plus)           
=> nil

Related Topics

Function and Program Structure

defun

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