Small corrections: 1. in the first sentence, add an "early days Go" 2. In the second sentence, "now we do have *generics*", not iterators.
On Sun, Aug 6, 2023 at 11:35 AM Axel Wagner <axel.wagner...@googlemail.com> wrote: > For one, Go did not have generic types or functions, which really limits > the usefulness (and abilities to write) custom iterators in Go. > Now we do have iterators, but it turns out there still are a lot of subtle > Go-specific issues with how to support custom iterator types, which to be > honest are too complicated to explain in an E-Mail. You can skim these > discussions, to get an impression: > https://github.com/golang/go/discussions/54245 (discussion, probably the > first serious attempt) > https://github.com/golang/go/discussions/56413 (discussion, follows from > the previous one with a significantly simpler approach) > https://github.com/golang/go/issues/61405 (proposal, from 3 weeks ago, > currently actively discussed) > If you decide to participate, I strongly recommend reading both the > top-post (with the actual proposal) and the first comment (with an > extensive summary of the discussion and FAQ). > > It's complicated. > > On Sun, Aug 6, 2023 at 10:05 AM Serge Hulne <serge.hu...@gmail.com> wrote: > >> Why does Go (so far) not have support for generators/ iterators for >> custom types ? >> >> I wrote this workaround: >> https://github.com/serge-hulne/go_iter >> >> But I was wondering what lead to the idea of leaving iterators out in the >> early days of the design of Go. What simplification of the language was >> expected from leaving out iterators for custom types. >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "golang-nuts" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to golang-nuts+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/golang-nuts/1fd9e5e8-8196-4bfb-910c-89ed461c42c5n%40googlegroups.com >> <https://groups.google.com/d/msgid/golang-nuts/1fd9e5e8-8196-4bfb-910c-89ed461c42c5n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/CAEkBMfGDJz6bYc3we2fu5gnw7fm6UBR6j7QA%3DeNtpOXoeRi2dg%40mail.gmail.com.