Answers for "what is What’s a Completion Handler? in swift"

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swift completion handler

func thisNeedsToFinishBeforeWeCanDoTheNextStep(completion: (String) -> ()) {    
    let stringToPassOutOfTheCompletionHandler = "The quick brown fox"    
    completion(stringToPassOutOfTheCompletionHandler)
}

Posted by: Guest on April-17-2020

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