Wrapping a template-d function in pybind11

function.cpp

T* constructOrFindInstance(const std::string& instance_name)
    {
        auto result = mSegment.find<T>(instance_name.c_str());
        if (result.first != nullptr) {
            return result.first;
        } else {
            return mSegment.construct<T>(instance_name.c_str())();
        }
    }