On Thu, Oct 22, 2020 at 9:35 AM haibin wei <whaibi...@gmail.com> wrote:
>
> this is only an idea, hope it's useful.
>
> no `T`, only `type` as `types`.
>
> ```go
> type Inter int8,int16,int32,int64
>
> func Less(a,b Inter)bool{
> return a<b
> }
>
> // and
> type UInter uint8,uint16,uint32,uint64
> type Float float32,float64
> type Number Inter,Uinter,Float
>
> func Less(a,b Number)bool{
> return a<b
> }
> func Abs(n Number)Number{
> if n<0{return -n}
> return n
> }
> func Map(s []Number, f func(Number)Number)[]Number{
> r := make([]Number, len(s))
> for i, v := range s {
> r[i] = f(v)
> }
> return r
> }
>
> // sorter
> type Sorter Number,string
> func Sort(list []Sorter){
> // ...
> }
>
> // even with interface
> type Some interface{String()},string
> ```
Have you seen
https://go.googlesource.com/proposal/+/refs/heads/master/design/go2draft-type-parameters.md
?
Ian
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