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What is a guard statement?


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More Apple iOS Swift Interview Questions

What are the features of swift programming?

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What are the advantages of using swift?

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What type of literals does swift language have?

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Consider the following code: var defaults = NSUserDefaults.standardUserDefaults() var userPref = defaults.stringForKey("userPref")! printString(userPref) func printString(string: String) { println(string) } Where is the bug? What does this bug cause? What’s the proper way to fix it?

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Is swift a functional language?

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