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From: Peter Dimov (pdimov_at_[hidden])
Date: 2002-08-13 13:02:33

From: "David Abrahams" <dave_at_[hidden]>
> Hi everybody,
> I'm looking for a clever trick, if anyone can come up with it...
> In v2 of the Boost.Python library, when users define a class wrapper, it
> looks something like this:
> class_<X>("X")
> .def_init(args<int, char*>()) // constructor
> .def("foo", &X::foo) // member function
> ;
> Each of class_<>'s member functions returns *this to allow the chaining
> idiom shown above.
> What I'd like is to be able to generate a compiler warning or error if the
> user fails to call the def_init() member function somewhere in the chain.
> Any ideas?

class_<X>("X", args<int, char*>()).def("foo", &X::foo);


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