Method clear_parent

source/matplot/util/contourc.cpp:185–189

    }

    void ContourLine::clear_parent() {
        assert(is_hole() && "Cannot clear parent of non-hole");
        assert(_parent != 0 && "Null parent ContourLine");
        _parent = 0;
    }

    const ContourLine::Children &ContourLine::get_children() const {
        assert(!_is_hole && "Cannot get_children of a hole");