Is equal to string swift?

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The following code snippet results in a compile time error: struct IntStack { var items = [Int]() func add(x: Int) { items.append(x) // Compile time error here. } } Explain why a compile time error occurs. How can you fix it?

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What is forced unwrapping?

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Can enum be extended in swift?

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Is swift faster than java?

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What is the usage of switch statement in swift language?

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What are the features of swift programming?

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What is ios swift?

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What is race condition in swift?

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What is the difference between nil and none in swift?

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Explain some biggest changes in usernotifications.

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How should errors be handled in swift?

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