This is a reimplementation in C++ of those parts of eider-py necessary to create pybind11-based extension modules containing C++ classes that can be served over Eider connections.
Everything you should need is in include/eider_pybind11.hpp.
Also included is a simple example (src/test.cpp) and test case (tests/test_eider_pybind11.py). To build and run it:
python3 -m venv venv
venv/bin/pip install -e .
venv/bin/pip install pytest
venv/bin/pytest