Have you considered this?
```go
func IsBetween(value, min, max int) bool {
return value>=min && value <=max
}
if IsBetween(len(myMap), 10, 25) {
//do something
}
```
On Friday, March 18, 2022 at 11:20:37 AM UTC+7 RussellLuo wrote:
> Hi there,
>
> Thanks to Go generics in 1.18, I can write a generic function `LenBetween`
> for a slice:
>
> ```go
> func SliceLenBetween[T ~[]E, E any](s T, min, max int) bool {
> return len(s) >= min && len(s) <= max
> }
> ```
>
> as well as for a map:
>
> ```go
> func MapLenBetween[T map[K]V, K comparable, V any](s T, min, max int) bool
> {
> return len(s) >= min && len(s) <= max
> }
> ```
>
> 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
> }
> ```
>
> Thanks in advance!
>
--
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/2e9fc7bc-0b70-4d15-8469-c600566fbb14n%40googlegroups.com.
