switch rval := result.(type) {
	case string:
		return FromString(rval), nil
	case float64:
		return FromFloat(rval), nil
	case int64:
		return FromInt(rval), nil
	case uint64:
		if rval <= math.MaxInt64 {
			return FromInt(int64(rval)), nil
		}
		return FromFloat(float64(rval)), nil
	case bool:
		return FromBool(rval), nil
	case jstream.KVS:
		bs, err := json.Marshal(result)

var valueBuilders = []func() *Value{
	FromNull,
	func() *Value {
		return FromBool(true)
	},
	func() *Value {
		return FromBytes([]byte("byte contents"))
	},
	func() *Value {
		return FromFloat(math.Pi)
	},
	func() *Value {
		return FromInt(0x1337)
	},
	func() *Value {
		t, err := time.Parse(time.RFC3339, "2006-01-02T15:04:05Z")
		if err != nil {
			panic(err)
		}
		return FromTimestamp(t)

			}
		}
		s.WriteString("]:ARRAY")
		return s.String()
	case Missing:
		return ":MISSING"
	default:
		return fmt.Sprintf("%v:INVALID", v.value)
	}
}

// FromFloat creates a Value from a number
func FromFloat(f float64) *Value {
	return &Value{value: f}
}

// FromInt creates a Value from an int
func FromInt(f int64) *Value {
	return &Value{value: f}
}

	if err != nil {
		return nil, err
	}

	switch castType {
	case castInt, castInteger:
		i, err := intCast(v)
		return FromInt(i), err

	case castFloat:
		f, err := floatCast(v)
		return FromFloat(f), err

	case castString:
		s, err := stringCast(v)
		return FromString(s), err

	case castTimestamp:
		t, err := timestampCast(v)
		return FromTimestamp(t), err

	case castBool: