I have read much about Fibers since they were introduced and have never come up with a real use case.
All the examples I find are like the trivial ones here where it just feels like instead of jamming a bunch of code into a single messy function that yields, you'd be better off particularly from a static analysis standpoint just having ordered method calls or chained callables where each step returns the next step as a callable.
I've yet to see a use case where I can't come up with a safer way to do it without Fibers, but I would love if someone could enlighten me because I feel like I am absolutely missing something.
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