Class curl_interface

include/curl_interface.h:38–71

     * have in common with each other.
     */
    template<class T> class curl_interface {
    protected:
        /**
         * The default constructor will initialize the curl
         * environment with the default flag.
         */
        curl_interface();
        /**
         * Overloaded constructor that initializes curl environment
         * with user specified flag.
         */
        explicit curl_interface(long);
        /**
         * The virtual destructor will provide an easy and clean
         * way to deallocate resources, closing curl environment
         * correctly.
         */
        virtual ~curl_interface();

    private:
        /**
         * This struct is used for initializing curl only once
         * it is implemented as a singleton pattern
         */
        struct global_initializer {
            explicit global_initializer(long);
            ~global_initializer();
        };

        /**
         * the singleton initialization, constructing a global_initializer.
         */
        static void init(long flag);
    };

    // Implementation of constructor.
    template<class T> curl_interface<T>::curl_interface() {