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ANSI Common Lisp  9 Conditions 9.2 Dictionary of Conditions
| 9.2.4 serious-condition |
Condition Type |
- Class Precedence List:
-
serious-condition,
condition,
t
- Description:
-
All conditions serious enough to require interactive intervention
if not handled should inherit from the type serious-condition.
This condition type is provided
primarily so that it may be included as
a superclass of other condition types;
it is not intended to be signaled directly.
- Notes:
-
Signaling a serious condition does not itself force entry into
the debugger. However, except in the unusual situation where the
programmer can assure that no harm will come from failing to
handle a serious condition, such a condition is
usually signaled with error rather than signal in
order to assure that the program does not continue without
handling the condition. (And conversely, it is
conventional to use signal rather than error to signal
conditions which are not serious conditions, since normally the
failure to handle a non-serious condition is not reason enough for the
debugger to be entered.)
- Allegro CL Implementation Details:
-
None.
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