1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
|
package query
import (
"errors"
)
type Marshaler interface {
MarshalDB() (string, error)
}
type Unmarshaler interface {
UnmarshalDB(string) error
}
func Marshal(v any) (string, error) {
marshaller, ok := v.(Marshaler)
if !ok {
return "", errors.New("Cannot marshal data, type does not implement DBMarshaler")
}
return marshaller.MarshalDB()
}
func Unmarshal(data string, v any) error {
if v == nil {
return errors.New("Cannot unmarshal data into nil value")
}
unmarshaler, ok := v.(Unmarshaler)
if !ok {
return errors.New("Cannot marshal data, type does not implement DBUnmarshaler")
}
return unmarshaler.UnmarshalDB(data)
}
|