On Thu, 2022-03-17 at 18:47 -0700, RussellLuo wrote:
> Is there any way to write a constraint, say, SliceOrMap, to support
> either a slice or a map?
>
> With the help of SliceOrMap, then I can write a more generic version
> `LenBetween` like this:
>
> ```go
> func MapLenBetween[T SliceOrMap](s T, min, max int) bool {
> return len(s) >= min && len(s) <= max
> }
> ```
Not yet AFAICS, but see https://github.com/golang/go/issues/51338. If
something like that is adopted, then you could write
https://go.dev/play/p/4RyDr_u1WAM.
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