The cppyy module makes it possible to call into C++ from PyPy through the Reflex package. Documentation and setup instructions are available here. Recent work has focused on STL, low-level buffers, and code quality, but also a lot on pythonizations for the CINT backend, which is mostly for High Energy Physics (HEP) use only. A previous posting walked through the high-level structure and organization of the module, where it was argued why it is necessary to write cppyy in RPython and generate bin
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