Explain mvc structure.
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What is swift stand for?
Explain how you define variables in Swift language?
What is clean swift?
What is singleton class swift 3?
How to make a method or variable generics in swift?
What are the various ways to unwrap an optional in swift?
Should I use struct or class swift?
What are the control transfer statements in swift?
Explain grand central dispatch (gdc).
How long does a swift transfer take?
What is mutating keyword 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?