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