I'm happy in my understanding of the utility of a hierarchy of error classes. I'm also happy with my understanding of event-based models.
However, I'm reading the above as you saying that an event-based model for handling errors is better than throw/catch in the general case.
I can understand this if you have an event-based application since there is an obvious fit - but not in the general case. Am I missing something? Misunderstanding what you said?
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