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Pure vs. Impure Iterators in Go

1 ingve 4 5/29/2025, 8:57:38 AM jub0bs.com ↗

Comments (4)

tapirl · 23h ago

Be careful there are bugs and design flaws in Go iterators: https://go101.org/blog/2025-03-15-some-facts-about-iterators...

jub0bs · 20h ago

Your post does show that iterators are somewhat of a leaky abstraction, but I'm not sure I would go as far as calling some of their infelicities "bugs". Whether those infelicities matter in practice is a moot point.

tapirl · 15h ago

The bug is confirmed: https://github.com/golang/go/issues/71685

jub0bs · 1h ago

Ok, that is annoying. I hope it gets fixed soon.