[C++-sig] Can a module reference a class exposed in another module?

[Ralf W. Grosse-Kunstleve]

--- Kelly Burkhart <kelly.burkhart at gmail.com> wrote:
> Given two Boost Python modules, can one contain a funtion which accepts as a
> parameter an instance of a class defined in the other?  For instance, if
> module A exposes class X, could I create a module B that can convert the
> python representation of C back to it's c++ representation:
> 
> import A
> import B
> 
> x = A.X()
> B.myfun( x )

Yes, this works. The Python-C++ converters are stored in a central registry.
You just have to ensure the module defining a conversion is imported before the
converters are used (as you do above). This feature is called cross-module
support.

Cheers,
        Ralf


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