TD;DR; Erratas: I mean, I got all the genericity (not "generosity") I need (without "I shall")
I'm sorry and please accept the amendment. El lun, 23 oct 2023 a las 18:21, Victor Giordano (<vitucho3...@gmail.com>) escribió: > Yes Ineed Mike! Generics can be good and can be bad... perhaps just as the > OOP inheritance. > > And thanks Alex indeed! His answer was enlightening! > > TD;DR; > Just another personal feeling. > > Prior to generics: with interfaces I live a happy life, I got all the > generosity I shall need... if I wanna work with slices of interfaces I > learn that I have to use the for range loop for converting each element of > the interface's slice into the concrete type. I learned it from this > article <https://go101.org/article/interface.html> (Look for "Values of > []T can't be directly converted to []I, even if type T implements interface > type I"). > > > > El lun, 23 oct 2023 a las 16:59, Mike Schinkel (<m...@newclarity.net>) > escribió: > >> Absolutely, some times generics are not needed. >> >> I actually don't find a need to use them that often which is probably why >> when I came across a use-case that really needed them I was so stumped as >> to how make it work. Kudos again to Axel for helping me recognize my >> blindspot. >> >> -Mike >> P.S. BTW, regarding your *"I mean this... >> <https://goplay.tools/snippet/GCxBeHMfipf>"* link, I already addressed >> <https://groups.google.com/g/golang-nuts/c/eD7207kM8zA/m/IZSZNPwnAQAJ> >> why that was not sufficient for the use-case earlier in the thread. #justfyi >> >> On Monday, October 23, 2023 at 2:20:28 PM UTC-4 Victor Giordano wrote: >> >>> Very interesting case. >>> >>> As Alex says, if you "help" the compiler writing the actual type >>> parameter like `Append[Suiter](slice, suiter)` it works. I have seen this >>> before in Java when generics comes into town... I guess with time golang >>> team with time will improve the type inference engine... this also happens >>> with typescript... perhaps is a common trait in evolution of language >>> compilers. >>> >>> Now if you allow me, I do appreciate that not using generics and using >>> interfaces in your Append method things will work... I mean this >>> <https://goplay.tools/snippet/GCxBeHMfipf>... >>> I know... probably it won't fit to your coding issues... but what I feel >>> sometimes is that generics aren't necessary and we tend to make use. I >>> don't know.. forgive me if I'm wrong... just an opinion. >>> >>> >>> El lunes, 23 de octubre de 2023 a las 0:01:47 UTC-3, tapi...@gmail.com >>> escribió: >>> >>>> On Monday, October 23, 2023 at 10:38:59 AM UTC+8 tapi...@gmail.com >>>> wrote: >>>> >>>> Sorry, I didn't look your full code. >>>> I think the full code should work with Go toolchain 1.21.n. >>>> >>>> >>>> Aha, it actually doesn't. I'm surprised. >>>> >>>> >>>> On Sunday, October 22, 2023 at 4:40:55 PM UTC+8 Mike Schinkel wrote: >>>> >>>> How so? >>>> >>>> Can you give an example scenario where it could cause unintended >>>> consequences? Or some other negative? >>>> >>>> -Mike >>>> >>>> On Saturday, October 21, 2023 at 11:57:52 PM UTC-4 tapi...@gmail.com >>>> wrote: >>>> >>>> >>>> It is hard to call such type inference better. That is too aggressive. >>>> >>>> -- >> You received this message because you are subscribed to a topic in the >> Google Groups "golang-nuts" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/golang-nuts/eD7207kM8zA/unsubscribe. >> To unsubscribe from this group and all its topics, 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/c62243c1-d6af-41c1-b64d-be7d59063576n%40googlegroups.com >> <https://groups.google.com/d/msgid/golang-nuts/c62243c1-d6af-41c1-b64d-be7d59063576n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > > > -- > V > -- V -- 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/CAPUu9sv0HVqCgs%2BdZgpZXeRvTVYrKcRwqf0fo9ASiSjs_WtB8w%40mail.gmail.com.
