Can you explain completion handler?
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Why swift is safe?
Does swift have abstract classes?
What is swift programming?
What are the half open range operators in swift?
What is the full form of swift code?
What are the advantages of using swift for ios development?
What are the collection types that are available 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 the usage of switch statement in swift language?
What is $0 and $1 in swift?
What is an optional in swift?
What language is swift written?