What is the latest version of swfit programming?
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How does closure work in swift?
What are swift categories?
What are the higher order functions in swift?
What are the characteristics of switch?
Explain swift vs objective-c.
Can structs inherit swift?
What is a guard statement?
Is swift a good language?
Consider the following code: var array1 = [1, 2, 3, 4, 5] var array2 = array1 array2.append(6) var len = array1.count What’s the value of the len variable, and why?
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 difference between weak and strong in swift?
What is lazy var in swift?