What does this Objective-C dictionary code do?

Question

.h

@property (nonatomic, strong) NSMutableDictionary * products;  //not synthesized in .m

.m

- (void)productsRequest:(SKProduct         


        

Answer 1

It's not IAPProduct *product= NSMutableDictionary[NSArray.productIdentifier];

The type of skProduct is SKProduct, not NSArray. The fast enumeration for (SKProduct * skProduct in skProducts) loops through all elements in skProducts as SKProduct.

It's (to some extent) like using a loop with a counter doing:

//for (SKProduct * skProduct in skProducts)
for (int i=0; i