Citizens in Foundation
A type that can be compared for value equality.
A type that can be hashed into a
Hasherto produce an integer hash value.
A type that can be converted to and from an associated raw value.
static let estimatedTimeRemainingKey: ProgressUserInfoKey
How much time is probably left in the operation, as an NSNumber containing a number of seconds.
static let fileCompletedCountKey: ProgressUserInfoKey
The completed number of files.
static let fileOperationKindKey: ProgressUserInfoKey
A description of what “kind” of progress is being made on a file.
static let fileTotalCountKey: ProgressUserInfoKey
The total number of files.
static let fileURLKey: ProgressUserInfoKey
A URL for the item on which progress is being made.
static let throughputKey: ProgressUserInfoKey
How fast data is being processed, as an NSNumber containing bytes per second.
let rawValue: String