/*! Write a string message to the underlying socket.
\param from Message (string) to write
\param sz number bytes to send
\return number of bytes written */
int send(const char *from, size_t sz) { return _writer.send(from, sz); }
/*! Write a string message to the underlying socket.
\param from Message (string) to write
\return number of bytes written */
int send(const f8String& from) { return _writer.send(from.data(), from.size()); }
/*! Write a string message to the underlying socket.
\param from Message (string) to write
\return number of bytes written */
int send(const f8String& from) { return _writer.send(from); }
