package jsonint import ( "encoding/json" "strconv" "sourcecode.social/reiver/go-erorr" ) var _ json.Marshaler = Int{} var _ json.Unmarshaler = new(Int) type Int struct { value string } func Int64(value int64) Int { if 0 == value { return Int{} } return Int{ value: strconv.FormatInt(value, 10), } } func Uint64(value uint64) Int { if 0 == value { return Int{} } return Int{ value: strconv.FormatUint(value, 10), } } func (receiver Int) MarshalJSON() ([]byte, error) { return []byte(receiver.String()), nil } func (receiver Int) String() string { if "" == receiver.value { return "0" } return receiver.value } func (receiver *Int) UnmarshalJSON(data []byte) error { if nil == receiver { return errNilReceiver } if !isNumeric(data) { return erorr.Errorf("jsonint: cannot unmarshal %q into value of type %T", data, Int{}) } s := string(data) switch s { case "0","-0","+0": receiver.value = "" return nil } receiver.value = string(data) return nil }