this post was submitted on 13 Sep 2024
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Programming
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Hmm, I'm not sure if you are being sarcastic. In my reply I didn't meant encoding Exceptions into Type system. Is this a type and you probably meant "Error Types as part of" instead "exception as part of"?
Honestly I don't know how Exceptions as part of type system would even look like. Because each function call in a chain would need to have all information from previous function call, otherwise that information gets lost to the next caller. The problem is the hierarchy of function and method calls. Somewhere some objects and functions can be edited to Throw a new Exception, that is not handled through the entire chain. And for the higher function caller, there is 0% way of knowing that (through code, besides documentation off course).
Yeah, I shaped my words poorly. What I meant is that errors are sort of equivalent to exceptions, but errors are first class citizens of type system, and this is an improvement over exceptions being kind of independent of type
Ah it was intentional and now I see how it was meant. It makes perfectly sense, it was just not clear before. :-) Human language and interpreter is not as precise like programming language.^^