gistfile1.txt

type Timestamp int

func (t *Timestamp) UnmarshalJSON(b []byte) error {
    if len(b) < 2 { // empty string
        *t = Timestamp(0)
        return nil
    }
    i, err := strconv.Atoi(string(b[1 : len(b)-1]))
    if err != nil {
        return err
    }
    *t = Timestamp(i)
    return nil
}