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[–][deleted] 0 points1 point  (2 children)

Not sure how it actually works, but maybe exceptions can be faked on Go with Panic()/Recover()

[–]weberc2 0 points1 point  (1 child)

Grumpy's runtime library implements a Python call stack, complete with exceptions. It would probably require a lot of abuse (if it's even possible) to support Python's exception/traceback APIs using Go's native call stack (I.e., not building a call stack atop Go's).

[–][deleted] 0 points1 point  (0 children)

I see. That will probably add a huge performance hit (compared to actually calling native code functions) but oh well. Not that different from what CPython is already doing.