Method delete_contour_lines

source/matplot/util/contourc.cpp:241–247

    Contour::~Contour() { delete_contour_lines(); }

    void Contour::delete_contour_lines() {
        for (iterator line_it = begin(); line_it != end(); ++line_it) {
            delete *line_it;
            *line_it = 0;
        }
        std::vector<ContourLine *>::clear();
    }

    void Contour::write() const {
        std::cout << "Contour of " << size() << " lines." << std::endl;