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Which banks use swift?
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What is extension in swift?
What is bridging header in swift?
What is a tuple in swift?
Is equal to string swift?
How will you define base class?
What is the full form of swift code?
Why do we use swift? Mention some advantages of swift?
How is swift different from objective-c?
What are the advantages of swift?
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?
What is swift module?
How much do swift developers make?
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