[C++-sig] get_overload raising cannot convert from 'boost::python::detail::method_result' to 'MMOT::Geometry &'

[Freyr Magnússon]

I'm using mscv8 from vs2005.  I'll test your solutuion when I get the chance
later today.

Thanks,
Freyr

On Mon, Sep 7, 2009 at 4:41 AM, troy d. straszheim <troy at resophonic.com>wrote:

> Freyr Magnússon wrote:
>
>> I trying to create an interface wrapper for a class and I get an error:
>>
>> cannot convert from 'boost::python::detail::method_result' to
>> 'MMOT::Geometry &'
>>
>>
> Checking the code, I see method_result has a workaround for the
> conversion-operator-to-reference:
>
> class method_result {
>  // ...
> #  if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) ||
> BOOST_WORKAROUND(BOOST_INTEL_WIN, >= 900)
>      // No operator T&
> #  else
>
>      template <class T>
>      operator T&() const
>      {
>          converter::return_from_python<T&> converter;
>          return converter(const_cast<handle<>&>(m_obj).release());
>      }
> #  endif
> };
>
> If this is why this:
>
>     Geometry& getGeometry()
>>    {
>>        return this->get_override("getGeometry")();
>>    }
>>
>
> Doesn't work (I don't know what that workaround means offhand but I'm going
> to guess it refers to old MSVC platforms), you could try
>
>   Geometry* result = this->get_override("getGeometry")();
>   return *result;
>
> So... what compiler are you using?
>
> -t
>
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