download(_:didFailWithError:)
Sent if the download fails or if an I/O error occurs when the file is written to disk.
Declaration
optional func download(_ download: NSURLDownload, didFailWithError error: any Error)Parameters
- download:
The URL download object sending the message.
- error:
The error that caused the failure of the download.
Discussion
Any partially downloaded file will be deleted.
Special Considerations
Once the delegate receives this message, it will receive no further messages for download.