ProtocolFoundation5.9.0
NSObjectProtocol
The NSObjectProtocol groups methods that are fundamental to all Foundation objects.
protocol NSObjectProtocol : AnyObjectIf an object conforms to this protocol, it can be considered a first-class object.
The Cocoa root class, NSObject, adopts this protocol, so all objects inheriting from NSObject have the features described by this protocol.
Requirements
var debugDescription: StringReturns a string that describes the contents of the instance for presentation in the debugger.
var description: StringReturns a string that describes the contents of the instance.
var hash: IntReturns an integer that can be used as a table address in a hash table structure.
func isEqual(Any?) -> Bool Returns a Boolean value that indicates whether the instance and a given
objectare equal.func isProxy() -> Bool Returns a Boolean value that indicates whether the instance does not descend from NSObject.
func `self`() -> Self Returns the instance itself.
Citizens in Foundation
Subtypes
protocol FileManagerDelegateprotocol NSCacheDelegateprotocol ProgressReportingIf your class supports reporting progress, then you can adopt the ProgressReporting protocol.