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Extending enum to safely loop between cases

Daily Coding Tip 005

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Type Safely
Dec 23, 2020
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Although an enumeration is not an array, it is sometimes necessary to iterate over the cases that it contains. In my enumeration I have the names of three fruits: apple, banana and pear. My enum conforms to the CaseIterable protocol, and this allows me to have access to an array of my cases.

What if I want to change from my current case to the next case…

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