Exactly. The world figured out long ago that OO and it’s principles are a better way to go. The fact that Go is not OO doesn’t make it bad or not useful - but the proponents of that state doesn’t make it better.
> On Sep 22, 2022, at 7:58 PM, burak serdar <bser...@computer.org> wrote: > > > > >> On Thu, Sep 22, 2022 at 6:30 PM Robert Engels <reng...@ix.netcom.com> wrote: >> I would like to understand the reason to type assert but not cast? That is >> an OO design flaw. > > You can only type-assert an interface. With type-assertion, you are either > checking if the underlying value of an interface is a specific type, or if > the value underlying the interface also implements a different set of methods. > > And Go isn't OO. > >> >>>> On Sep 22, 2022, at 7:24 PM, burak serdar <bser...@computer.org> wrote: >>>> >>> >>> >>> >>>> On Thu, Sep 22, 2022 at 6:08 PM Robert Engels <reng...@ix.netcom.com> >>>> wrote: >>>> 100% true. The difficulty when examining a “large” system is that it >>>> becomes very difficult to understand the relationships. Documentation can >>>> help but it is not a great substitute for automated tools. >>>> >>>> In Java - actually all of OO - type casting is severely frowned upon - but >>>> it seems a lot of Go code does it liberally. >>>> >>>> If I designed a language today I would prohibit any type casts. It is a >>>> huge problem and points to insufficient design skills. >>> >>> Type-assertion is not exactly type-casting, though. And Go isn't exactly >>> OO. >>> >>>> >>>> >>>> > On Sep 22, 2022, at 6:57 PM, Ian Davis <m...@iandavis.com> wrote: >>>> > >>>> > On Thu, 22 Sep 2022, at 11:27 PM, Rory Campbell-Lange wrote: >>>> > >>>> > I just wanted to respond to this part: >>>> > >>>> >> I suppose my question is (and forgive me if this is a terrifically >>>> >> naive), how can one negotiate the go landscape of commonly used modules >>>> >> to re-utilise, where possible, a more commonly named interface >>>> >> implementing "Speak()" or convertible to provide "Speak()"? >>>> >> >>>> > >>>> > Generally, when writing Go, the consumer of the object defines the >>>> > interface it requires. So rather than you looking for interfaces that >>>> > might exist in the wild, it's better to focus on your application and >>>> > its needs. If you have a component that uses the Speak method on objects >>>> > then define that as an interface that your component can accept. Any >>>> > other user of your component can see that interface is needed and >>>> > provide a suitable object that implements it or create a shim to adapt >>>> > one. >>>> > >>>> > >>>> > -- >>>> > 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/1fb8a3c4-b135-4ab1-b969-d6f4c239b7d9%40www.fastmail.com. >>>> >>>> -- >>>> 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/C0D7D21F-AC72-40E3-9DB9-A8678886CDF3%40ix.netcom.com. >>> >>> -- >>> 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/CAMV2RqooGmOaXCGmriJ%2BDryYSSLNRmcrc9hfSTcWG-qPGAonxw%40mail.gmail.com. > > -- > 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/CAMV2RqrouRZrUMPxwu16xCjS_L_0SQYgS8AaWJKEZ6JWwpFGUg%40mail.gmail.com. -- 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/FDB3BDAB-F536-4B67-98B9-4ECAFA7B10FC%40ix.netcom.com.
