Class Tee

components/debug/debugging.cpp:315–334

        template <class First, class Second>
        class Tee : public DebugOutputBase
        {
        public:
            explicit Tee(First first, Second second)
                : mFirst(first)
                , mSecond(second)
            {
            }

            std::streamsize writeImpl(const char* str, std::streamsize size, Level debugLevel) override
            {
                mFirst.write(str, size, debugLevel);
                mSecond.write(str, size, debugLevel);
                return size;
            }

        private:
            First mFirst;
            Second mSecond;
        };
#endif

        Level toLevel(std::string_view value)