[C++-sig] Re: pure virtual methods with pyste

[David Abrahams]

David Abrahams <dave at boost-consulting.com> writes:

>   BOOST_PYTHON_MODULE(test)
>   {
>       class_<Abstract, AbstractWrap, boost::noncopyable>("Abstract")
>           .def("a", &Abstract::a)
>           .def("a", &AbstractWrap::default_a)
>           ;
>
>       def("call", call);
>   }
>
> I just wish I knew a way to detect that a function was pure-virtual so
> we could have Boost.Python generate that default_a automatically.

Perhaps this interface would be nice:

  BOOST_PYTHON_MODULE(test)
  {
      class_<Abstract, AbstractWrap, boost::noncopyable>("Abstract")
          .def("a", pure_virtual(&Abstract::a))
          ;

      def("call", call);
  }

??
-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com