49     bool Write(const std::string &buf);
52     bool Write(const StreamBuffer &buf);
55     virtual bool Write(const char *buf, size_t size);
69     bool Write(const T &data);
73     bool Write(const std::vector<T> &data);
113 bool StreamBuffer::Write(const T &data)  in Write()  function
115     if (!Write(reinterpret_cast<const char *>(&data), sizeof(data))) {  in Write()
147 bool StreamBuffer::Write(const std::vector<T> &data)  in Write()  function
154     if (!Write(size)) {  in Write()
159         if (!Write(item)) {  in Write()
179     if (!Write(data)) {