Write some data to the stream.
template< typename ConstBufferSequence> std::size_t write_some( const ConstBufferSequence & buffers);
This function is used to write data on the stream. The function call will block until one or more bytes of data has been written successfully, or until an error occurs.
The data to be written.
The number of bytes written.
Thrown on failure.
The write_some operation may not transmit all of the data to the peer. Consider using the write function if you need to ensure that all data is written before the blocking operation completes.