Function escape

source/matplot/util/common.cpp:59–66

    }

    std::string escape(std::string_view label) {
        std::string escaped;
        escaped.reserve(label.size());

        std::regex_replace(std::back_inserter(escaped), label.begin(), label.end(), std::regex("\""), "\\\"");

        return escaped;
    }

    std::vector<double> linspace(double d1, double d2, size_t n) {
        std::vector<double> x(n);