Method OnBufferExhausted

util/stream/buffered.cpp:328–334

        ~TAdaptiveImpl() override = default;

        void OnBufferExhausted() final {
            const size_t c = ((size_t)Step) << Min<size_t>(++N_ / 32, 10);

            if (c > B_.Capacity()) {
                TBuffer(c).Swap(B_);
            }
        }

        void* Buf() const noexcept override {
            return (void*)B_.Data();