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Identifiers that are generated with UUID are universally unique identifiers. The UUID struct also conforms to Hashable, so you can use UUIDs in a Set. Let’s move on to find out how these identifiers actually work! If you want to get the UUID string directly, you can use the uuidString property directly. Because the UUID struct conforms to the CustomStringConvertible, we can print it as a string. The UUID() initializer generates 128 random bits.
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In Swift, we can generate UUIDs with the UUID struct. The term UUID stands for Universally Unique Identifier.
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