class TrkVertex
{
   public:
    double x_ = 0;  //!< mm, x axis pointing right
    double y_ = 0;  //!< mm, y axis pointing up

    TrkVertex& operator-=(const TrkVertex& c);
};

TrkVertex& TrkVertex::operator-=(const TrkVertex& c)
{
    x_ -= c.x_;
    y_ -= c.y_;

    return *this;
}

  File "/home/johan/virtual_python/lib/python3.12/site-packages/strictdoc/core/file_traceability_index.py", line 437, in create_traceability_info
    function_.name
AssertionError: function name:  function: Function(parent = SourceFileTraceabilityInfo(...), name = "", child_functions = [], markers = [], line_begin = 40, line_end = 46, attributes = set(1 elements)) attributes: {<FunctionAttribute.DEFINITION: 'definition'>} source_file_rel_path: src_cs/cmn/trk_primitives.cc

class TrkVertex
{
   public:
    TrkVertex() {}
    TrkVertex(double x, double y) {}
};

                        # C++ function definition inside class, e.g., class CPPClass {foo(){}};
                        elif child_.children[0].type == "field_identifier":
                            assert child_.children[0].text
                            function_name = child_.children[0].text.decode(
                                "utf8"
                            )
                        # C++ destructor, e.g. CPPClass::~foo()
                        elif child_.children[0].type == "destructor_name":
                            assert child_.children[0].text
                            function_name = child_.children[0].text.decode(
                                "utf8"
                            )