code: func (fc *Flow) Bytes(slice [][]byte) (ret *Dataset) {
  	inputChannel := make(chan interface{})
  
  	go func() {
  		for _, data := range slice {
  			inputChannel <- data
  			// println("sent []byte of size:", len(data), string(data))
  		}
  		close(inputChannel)
  	}()
  
  	return fc.Channel(inputChannel)
  }
docs: // Bytes begins a flow with an [][]byte