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Questions tagged [nsmutableset]

The NSMutableSet class declares the programmatic interface to a mutable, unordered collection of distinct objects.

The NSMutableSet class declares the programmatic interface to an object that manages a mutable set of objects. NSMutableSet provides support for the mathematical concept of a set.

NSMutableSet is “toll-free bridged” with its Core Foundation counterpart, CFMutableSetRef.

Resources:

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Populating TableView with NSMutableSet

I am using core data and trying to populate a UITableView with an NSMutableSet. I have two entities, Teams and Players. On my addTeamsController I am saving a player to the team as follows -(void)saveButtonWasPressed { self.team…
Luke
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How to set object count to zero(or some value) in NSCountedSet?

I have following NSCountedSet (item1 [2000], item2 [9000], item3 [200], item4 [3000]) Now i want to remove item1 object from my set. one solution is while([mySet countForObject:item1]) [mySet…
Parag Bafna
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NSMutableSet Not adding object

My code isn't adding elements to my sets. My header file is as follows: #import @interface NHPSearchViewController : UITableViewController //For using the local DB @property (strong, nonatomic) NSManagedObjectContext…
user597608
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NSMutableDictionary most efficient way to apply formula for each value

I have a NSMutableDictionary with NSNumbers. When I finish building the set I need to recalculate all the values using the currently stored value itself. Now I'm using fast enumeration and storing into a new NSMutableSet, but I'm not experienced in…
Miguel E
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adding objects in a container inside other object is null with arc

I am using Apple's ARC. I have tow classes: one that has a NSMutableSet and one that I want to put inside that NSMutableSet. So when I do the following: ContainerClass* contClass = [[ContainerClass alloc] init]; for(int i = 0;i<10;i++) …
amir
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toll-free bridged objects, retain and release

I'm currently looking at a NSMutableSet created by the function CFSetCreateMutable(). The documentation states that the return value of CFSetCreateMutable() is toll-free bridged, meaning that I can simply cast it into a NSMutableSet. Does this mean…
Jörgen Sigvardsson
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Objective c, reverse Collatz, help me debug NSArrays

I am working on a math fair project using the Collatz conjecture, I am wanting to make a reverse graph as you can find here on wikipeadia although I have found that I have messed up somewhere in my code and it doesn't show all of the reverse values…
coopf
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Calling methods of NSMutableSet in another function throws EXC_BAD_ACCESS

I'm stuck on such code: static NSMutableSet* test_set; -(void)foo1 { test_set=[NSMutableSet setWithObject:[NSNumber numberWithInt:1]]; NSLog(@"count:%d",[test_set count]); } -(void)foo2 { NSLog(@"pointer:%p",test_set); …
MorskoyZmey
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Detect change in NSMutableOrderedSet with Swift Combine

I'm trying to observe change of an NSMutableOrderedSet in my ViewModel with combine. I want to know when some element is added or removed of NSMutableOrderedSet Some code of my ViewModel : class TrainingAddExerciceViewModel: ObservableObject { …
Jopolaz
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In a macOS Objective-C application, I have subclassed NSMutableSet for enforcing an equality different from isEqual. Is my implementation fine?

In my macOS Objective-C application, I have created a subclass of NSMutableSet. What I want to achieve is a NSMutableSet that does not use isEqual: as the comparing strategy. Specifically, The set will contain objects of type NSRunningApplication,…
Alfonso Tesauro
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How to perform union set for multiple sets in Objective C

I have an array of NSSet instances as mentioned in below code. NSArray *a = @[@"1", @"2", @"3", @"4", @"5"]; NSArray *b = @[@"1", @"2", @"3", @"6", @"7"]; NSArray *c = @[@"1", @"7", @"8", @"9", @"5"]; NSArray *d = @[@"1", @"6", @"7", @"8", @"9"];…
Jekil Patel
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componentsByString for NSMutableSet in Swift 3.0

I have label and NSMutable Set. I want to assign my set value to label.text. @IBOutlet var location: UILabel! var mutSet:NSMutableSet = NSMutableSet() self.location.text =…
user7529768
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Drawing a path with MKMapView problems

I'm trying to draw a path (with MKMapView). But I have: NSInvalidArgumentException ', reason:' *** - [NSMutableOrderedSet addObject:]: object can not be nil '. I have this button action with a NSTimer that calls the function stop @IBAction func…
Jared Pérez
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Why NSMutableSet can be added more objects than capacity

Create one nsmutableset with capacity for example 3, but you can add more than 3 objects into it. So what is the real capacity ? From Apple Docs, seems like this is okay, but what is the purpose of "capacity" ? Return Value A mutable set with…
Forrest
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Swift: NSMutableSet -> Type 'CGPoint' does not conform to protocol 'AnyObject'

Why does this code results to "Type 'CGPoint' does not conform to protocol 'AnyObject'"? let mutableSet = NSMutableSet() override func touchesBegan(touches: NSSet, withEvent event: UIEvent) { /* Called when a touch begins */ touch =…
user3673836
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