How can you determine if two objects refer to the same memory area?

In iOS (Swift or Objective-C), there are several ways to determine if two objects refer to the same memory location:

• For classes in Swift: use the identity operator ===, which checks if two variables point to the same instance.

if objectA === objectB {
    print("Both objects refer to the same instance")
}

• For pointers in Objective-C: compare the pointers directly.

• For structures (value types): objects are copied upon assignment, so references to the same memory location do not apply.

Thus, the === operator is the main way to check if two variables point to the same object in memory.