What are the two main integer types in swift?
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What are the different control transfer statements used in swift?
Why is inheritance not desirable in swift?
Explain enum in swift.
What is reuseidentifier in swift?
What is nil in swift?
What is extension in swift?
What is an attribute in swift?
Difference in classes and structures in swift?
What is a static variable swift?
How many access levels are present in swift?
Is swift worth learning 2019?
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?