What are swift categories?
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Explain what Lazy stored properties is and when it is useful?
What are jsonencoder and jsondecoder?
How to make a method or variable generics in swift?
What are functions in swift?
What is use of enum in swift?
What are the type of integers does swift have?
List some control transfer statements used in swift?
Explain the different features of swift programming language?
What is nsmutablearray in swift?
What is mvc in swift?
Is swift thread safe?
Swift defines the AnyObject type alias to represent instances of any reference type, and it’s internally defined as a protocol. Consider the following code: var array = [AnyObject]() struct Test {} array.append(Test()) This code generates a compilation error, with the following error message: Type 'Test' does not conform to protocol 'AnyObject' The failure is obvious because a struct is a value and not a reference type, and as such it doesn’t implement and cannot be cast to the AnyObject protocol. Now consider the following code: var array = [AnyObject]() array.append(1) array.append(2.0) array.append("3") array.append([4, 5, 6]) array.append([7: "7", 8: "8"]) struct Test {} array.append(Test()) The array array is filled in with values of type respectively int, double, string, array and dictionary. All of them are value types and not reference types, and in all cases no error is reported by the compiler. Why?