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3.11.2 Error Handling

The procedure goops-error is called to raise an appropriate error by the default methods of the following generic functions:

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.

goops-error format-string . args procedure
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.