Re: [boost] Error if member function not called?

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);

?