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> reinvent exceptions as well with longjmp.

What a bizarre way to phrase it. Shouldn't it be the other way round? Exceptions are just a "reinvention" of longjmp under a different name (yet identically noxious to program readability).



Exceptions are a programming flow control concept.

longjump is a specific family of processor op codes.

This is the same idea that while loops are implemented using goto.




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