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(goops.info.gz) Error Handling

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 Error Handling
 --------------
 
 The procedure `goops-error' is called to raise an appropriate error by
 the default methods of the following generic functions:
 
    * `slot-missing' ( slot-missing Handling Slot Access Errors.)
 
    * `slot-unbound' ( slot-unbound Handling Slot Access Errors.)
 
    * `no-method' ( no-method Handling Invocation Errors.)
 
    * `no-applicable-method' ( no-applicable-method Handling
      Invocation Errors.)
 
    * `no-next-method' ( no-next-method Handling Invocation
      Errors.)
 
 If you customize these functions for particular classes or metaclasses,
 you may still want to use `goops-error' to signal any error conditions
 that you detect.
 
  - procedure: goops-error format-string . args
      Raise an error with key `goops-error' and error message constructed
      from FORMAT-STRING and ARGS.  Error message formatting is as done
      by `scm-error'.
 
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