Class Loggable

include/thundersvm/util/log.h:1618–1627

namespace base @brief Base of Easylogging++ friendly class @detail After inheriting this class publicly, implement pure-virtual function `void log(std::ostream&) const`

///
/// @detail After inheriting this class publicly, implement pure-virtual function `void log(std::ostream&) const`
    class Loggable {
    public:
        virtual ~Loggable(void) {}
        virtual void log(el::base::type::ostream_t&) const = 0;
    private:
        friend inline el::base::type::ostream_t& operator<<(el::base::type::ostream_t& os, const Loggable& loggable) {
            loggable.log(os);
            return os;
        }
    };
    namespace base {
/// @brief Represents log format containing flags and date format. This is used internally to start initial log
        class LogFormat : public Loggable {