{
    if constexpr (_int)
    {
        switch (number)
        {
            case TypeIndex::UInt8:        return f(TypePair<T, UInt8>());
            case TypeIndex::UInt16:       return f(TypePair<T, UInt16>());
            case TypeIndex::UInt32:       return f(TypePair<T, UInt32>());
            case TypeIndex::UInt64:       return f(TypePair<T, UInt64>());
            case TypeIndex::UInt256:      return f(TypePair<T, UInt256>());
            case TypeIndex::Int8:         return f(TypePair<T, Int8>());
            case TypeIndex::Int16:        return f(TypePair<T, Int16>());
            case TypeIndex::Int32:        return f(TypePair<T, Int32>());
            case TypeIndex::Int64:        return f(TypePair<T, Int64>());
            case TypeIndex::Int128:       return f(TypePair<T, Int128>());
            case TypeIndex::Int256:       return f(TypePair<T, Int256>());
            case TypeIndex::Enum8:        return f(TypePair<T, Int8>());
            case TypeIndex::Enum16:       return f(TypePair<T, Int16>());
            default:
                break;
        }
    }
    if constexpr (_decimal)
    {
        switch (number)
        {
            case TypeIndex::Decimal32:    return f(TypePair<T, Decimal32>());
            case TypeIndex::Decimal64:    return f(TypePair<T, Decimal64>());
            case TypeIndex::Decimal128:   return f(TypePair<T, Decimal128>());