What is @objc in swift?
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Explain functions?
What is optional binding?
What is the benefit of using guard statement in swift?
What is forced unwrapping?
What is memory leak in swift?
What type of objects are basic data types in swift?
How would you define variables and constants in swift programming language?
Is swift an oop?
What is new features in swift 4.0?
What is optional chaining?
what are functions different from methods?
What are functions in swift?