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object-address

Function
Summary

Returns the address of the given object as an integer.

Package

system

Signature

object-address object => address

Arguments

object

The object whose address should be returned.

Values

address

The address of object . An integer.

Description

Returns the address of the given object as an integer. Note that the address is likely to change during garbage collection so this integer should be used for debugging purposes only.

Example

This shows that the address returned by sys:object-address is the same as the one printed by the print-object method for generic-function .

CL-USER 1 > (let ((gf #'initialize-instance))
               (format t "address = ~X~%gf = ~S" 
                  (sys:object-address gf) gf))
address = 1cff778
gf = #<STANDARD-GENERIC-FUNCTION INITIALIZE-INSTANCE 1cff778>
NIL
CL-USER 2 >
See also

pointer-from-address


LispWorks Reference Manual - 23 Jul 2004

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