What is the difference between function and objective?

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What is difference between c and objective c?

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What is differences between nsnull and nil in objective c?

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Is objective c better than swift?

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What is instancetype?

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How to use swift protocol in objective c?

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Is struct a class?

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What are the three main types of property?

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What is difference between mutable and immutable?

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How to add object to nsarray objective c?

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What is the difference between nsdictionary and nsmutabledictionary?

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How to reverse array in objective c?

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What is a block objective c?

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Is closure a function?

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What is autoclosure?

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