```
// You can edit this code!
// Click here and start typing.
package main

import "fmt"

type S struct {
ID int
Name string
}

func (s S) GetID() int {

return s.ID

}

type IS interface {
S
GetID() int
}

func slice2map[T IS](in []T) map[int]T {
out := map[int]T{}
for _, s := range in {
out[s.GetID()] = s
}
return out
}

func main() {
input := []S{{1, "a"}, {2, "b"}}
fmt.Println(slice2map(input))
}

```