Implementing NSCopying...

Does the different way of handling key between NSMutableDictionary and NSCache (copy vs. retain) res...

Implementing Codable and NSManagedObject simultaneously in Swift...

Swift 4 Copy an array of objects by value which have array inside...

NSCopy GKGameModel doesn't copy player objects correctly...

data type not checked when copy method is used in assignment...

How do copy and mutableCopy apply to NSArray and NSMutableArray?...

Why use toll-free bridging for collections with custom memory-management semantics?...

UIView as dictionary key?...

NSCopying copy(with:) - Does it really need to return Any?...

Date.copy() in Swift 3.0...

Copy NSTableView row greyed out...

no known instance method for selector 'copy' on protocol conforming to NSCopying and NSObjec...

Can't make realm List<T> conform NSCopying...

Objective-C pattern for creating mutable copies...

swift - NSCopying class...

Implementing NSCopying in Subclass of Subclass...

Type 'Int' does not conform to protocol 'NSCopying'...

Mantle MTLModel's copyWithZone: deep copy?...

Correct pattern for mutable vs immutable...

Creating a copy of a PFObject...

NSManagedObject as NSDictionary key?...

To be a key of an NSDictionary, must a class also implement isEqual: and hash?...

Why must the key of an NSDictionary conform to NSCopying...

Using instancetype as the return type of a copy in Objective-C?...

How to make a deep copy with copyWithZone to duplicate a structure?...

How do I release C style arrays?...

Any reason to not use existing NSCoding methods to implement NSCopying...

What is the difference between "-copy" and "-copyWithZone:"?...

Is there any way to copy EKEvent, or let it conform NSCopying protocol...