What is closure in swift?
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Explain what is optional chaining?
What is tuple in swift?
What is asynchronous in swift?
How multiple line comment can be written in swift?
What is base class in swift?
How to declare an empty dictionary in swift?
What is viewcontroller in swift?
The String struct doesn’t provide a count or length property or method to count the number of characters it contains. Instead a global countElements<T>() function is available. When applied to strings, what’s the complexity of the countElements function: O(1) O(n) and why?
What is swiftnet?
What is race condition in swift?
What is property observer in swift?
Mention some advantages of swift?