On Monday, June 22, 2020 at 1:25:33 PM UTC-4, Ian Lance Taylor wrote: > > On Mon, Jun 22, 2020 at 8:49 AM T L <tapi...@gmail.com <javascript:>> > wrote: > > > > One example is the above Print function example. > > Another example I current get is to iterate and print > > all the key and values of a container in a current format. > > There should be more examples with this need I think. > > I want to stress that we want real examples of real code that people > want to write, not theoretical ideas for code that people might in > theory want to write. > > Do you have a real program that uses both slices and maps where you > would want to have a generic function that prints the keys and values > of either a slice or map? When does that come up? When I ask that, > I'm looking for a real program, not the idea that somebody somewhere > might want to do that. I agree that somebody somewhere might want to > do that. But is it an important enough use case that we must handle > it in the first attempt at adding generics to the language? When > thinking about that, consider that one goal of generics is to permit > people to write their own container types, which will by definition > not be maps or slices. Should we be looking for some mechanism that > can print the keys and values of any container type? Why is it > important to handle the cases of slices or maps but not the case of > other container types? > > Ian >
I think this is a problem whether or not long tail matters for the generic design. It might affect user happiness, I think, but it is hard to predict. -- 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/8ecb0b0a-64e1-4713-b92e-d203f76800ffo%40googlegroups.com.
