Value() int
}

// A CodeVal distinguishes among go/constant.Value encodings.
type CodeVal int

func (c CodeVal) Marker() SyncMarker { return SyncVal }
func (c CodeVal) Value() int         { return int(c) }

// Note: These values are public and cannot be changed without
// updating the go/types importers.

const (
	ValBool CodeVal = iota
	ValString
	ValInt64
	ValBigInt
	ValBigRat