Drain waits until any queued but not processed input has finished processing. It also wakes the reader.
()
| 61 | // Drain waits until any queued but not processed input has finished processing. |
| 62 | // It also wakes the reader. |
| 63 | Drain() error |
| 64 | |
| 65 | // Start starts processing. |
| 66 | Start() error |