sing-box/option/listable.go

28 lines
519 B
Go

package option
import "github.com/goccy/go-json"
type Listable[T comparable] []T
func (l Listable[T]) MarshalJSON() ([]byte, error) {
arrayList := []T(l)
if len(arrayList) == 1 {
return json.Marshal(arrayList[0])
}
return json.Marshal(arrayList)
}
func (l *Listable[T]) UnmarshalJSON(bytes []byte) error {
err := json.Unmarshal(bytes, (*[]T)(l))
if err == nil {
return nil
}
var singleItem T
err = json.Unmarshal(bytes, &singleItem)
if err != nil {
return err
}
*l = []T{singleItem}
return nil
}