Method WriteImpl

library/cpp/binsaver/mem_io.h:27–36

    private:
        int WriteImpl(const void* userBuffer, int size) override {
            if (size == 0)
                return 0;
            Y_ASSERT(size > 0);
            if (Pos + size > Data.size())
                Data.yresize(Pos + size);
            memcpy(&Data[Pos], userBuffer, size);
            Pos += size;
            return size;
        }
        int ReadImpl(void* userBuffer, int size) override {
            if (size == 0)
                return 0;