Method get_buffer

tests/test_buffers.cpp:556–564

Exercises def_buffer(Return (Class::*)(Args...) const & noexcept)

        ~OneDBufferConstLRefNoexcept() { delete[] m_data; }
        // Exercises def_buffer(Return (Class::*)(Args...) const & noexcept)
        py::buffer_info get_buffer() const & noexcept {
            return py::buffer_info(m_data,
                                   sizeof(float),
                                   py::format_descriptor<float>::format(),
                                   1,
                                   {m_n},
                                   {(py::ssize_t) sizeof(float)},
                                   /*readonly=*/true);
        }
    };
    py::class_<OneDBufferConstLRefNoexcept>(
        m, "OneDBufferConstLRefNoexcept", py::buffer_protocol())