package constant type StatusType int16 const ( StatusPending StatusType = 1 StatusApproved StatusType = 2 StatusRejected StatusType = 3 ) func (t StatusType) String() string { switch t { case StatusPending: return "PENDING" case StatusApproved: return "APPROVED" case StatusRejected: return "REJECT" default: return "UNKNOWN" } } func ParseStatusType(v int16) StatusType { switch v { case 1: return StatusPending case 2: return StatusApproved case 3: return StatusRejected default: return 0 } }