The class to trace.
If
t
, trace read accesses to the class. The default is
t
.
If
t
, trace write accesses to the class. The default is
t
.
t
means trace on all slots, otherwise this should be a list of symbols which are the slot-names to trace. The default is
t
.
When non-
nil
, the debugger is entered. When
nil
, messages are printed to
*trace-output*
.
Causes new instances of the class given by class-designator to be traced for the access modes given by read , write and slot-names .
This function, when used with the break keyword, replaces the deprecated function
break-new-instances-on-access
.