Same here @Abraham, ResponseType interface { ~struct{} }
Obviously this doesn't work, I would love to see it working though. On Wednesday 14 September 2022 at 17:48:19 UTC+3 Abraham wrote: > I am glad I found this thread because I was just now breaking my head > figuring out why my <struct constraint> was not working.... > > On Wednesday, May 18, 2022 at 10:41:29 PM UTC-4 Ian Lance Taylor wrote: > >> On Wed, May 18, 2022 at 7:36 PM Jeremy Kassis <jka...@gmail.com> wrote: >> > >> > Where exactly did this land? Seems like an important conversation... >> >> To date there is no way to write a constraint that requires that a >> type argument be a struct type. >> >> >> > ``` >> > // RPCHandler passes RPCReq and RPCRes as fn args >> > func RPCHandler[T RPCReq, S RPCRes](fn func(T, S)) http.HandlerFunc { >> > return func(w http.ResponseWriter, r *http.Request) { >> > req := T{} >> > if err := reqBodyReadAll(w, r, &req); err != nil { >> > resWriteErr(w, err) >> > return >> > } >> > res := S{} >> > fn(req, res) >> > resWriteAll(w, r, res) >> > } >> > } >> > ``` >> >> I would write simply "var req T" and "var res S". >> >> Ian >> > -- 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/2747bad9-6c3a-40bd-842f-a21d8345ae11n%40googlegroups.com.