alt Hacker Newsit’s maybe less “pythonic” but at $dayjob we’ve very actively moved away from exceptions for things in favor of things that are statically type checked. too many things that become runtime bugs instead of type checking bugs.
with match now being available, we even return explicit error objects and the ergonomics are pretty good (reminds me of rust).
How are these two things related? If you don't use exceptions, you just have to implement them yourself by manually bubbling up the error, all the way up the stack, rather than using the dedicated side channel to do so.
The problem I see is there's no way to enforce the check that you actually handled/bubbled up the error. With exceptions, you just crash if you don't handle it, which is much preferred if determinism is the goal. Is there some way to use the type system to do this? Maybe incoming are UnhandledResult outgoing are some HandledResult or something like that?