What are the higher order functions in swift?
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What is a guard statement? What is the benefit of using guard statement in swift?
What is asynchronous in swift?
What is indexpath in swift?
Where can we test the apple iphone apps if we don’t have an ios device?
What is block in swift?
Explain any three-shift pattern matching techniques?
Consider the following code: let op1: Int = 1 let op2: UInt = 2 let op3: Double = 3.34 var result = op1 + op2 + op3 Where is the error and why? How can it be fixed?
What is subscript in swift?
What is @objc in swift?
How to add an element into an array?
What is the use of double question mark “??” In swift?
What is optional chaining?