I want to store a Swift Set in NSUserDefaults. Given that I can read a NSMutableSet value from UserDefaults using: UserDefaults.standard.mutableSetValue(forKey:) ... it seems like I should be a...

In a plain class I have a NSMutableSet property. Whenever objects are added to or removed from the set, I want to perform some custom code. I know I could write a few addObjectToSet:-like methods t...

I have two arrays . Array1 contains 15 objects and Array2 contains 4 objects. There are 2 common objects from both array, I just want to get that resulted array of that 2 objects. It should be li...

In my app I have a class Person with personId property. Now I need some data structure to hold a bunch of unique Person objects (unique = different personId) So I guess I should use NSMutableSet ...

I have a custom class called card and I need to create a set of 10 unique cards from an array of cards of a random size. Also, I need include any whitelisted cards first to make sure they are alway...

Possible Duplicate: What is the most efficient way to sort an NSSet? I currently have an NSMutableSet with the following a list of strings. e.g.: {@"c",@"d",@"e",@"f",@"g",@"a"} Can ...

I have NSMutableSet of objects. All objects are unique obviously, but they might have same .angle value, which is NSInteger property. I need to find out if there are two or more objects with the s...