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The first question:
The class_ class has four parameters.
class template class_<T, Bases, HeldType, NonCopyable>
I don’t understand the parameters of Bases and HeldType.How to use the
parameters.
this doc: http://www.boost.org/doc/libs/1_51_0/libs/python/doc/v2/class.html
The second question:
I have to make a python function as callback of a c++ function.How to
do?Where can I find some examples??
The HeldType is usefull, if you want to use a special object to hold your object. For e.g. if you use shared_ptr<> inside your implementation you can use this as HeldType.
If you have no idea what shared_ptr are, just google for them, they are a nice tool.
Further descriptions as an example for the shared_ptr<> as HeldType can be found here:
Python Wiki, deailing with smart pointers