What is atomic swift?
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Explain grand central dispatch (gdc).
Explain the different features of swift programming language?
How multiple line comment can be written in swift?
Is swift compiled or interpreted?
What is an optional in swift?
What are the two main integer types in swift?
Mention what is the Floating point numbers and what are the types of floating number in Swift?
How many types of closures are there in swift?
What is enum in swift?
What collection types are available in swift?
What is hashable in swift?
The following code snippet results in a compile time error: struct IntStack { var items = [Int]() func add(x: Int) { items.append(x) // Compile time error here. } } Explain why a compile time error occurs. How can you fix it?