How do I join an NSSet's elements to create an NSString?

If I have an NSSet of NSString objects, how can I joi开发者_JAVA技巧n them together to create a single NSString?

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NSSet's -allObjects method will return an NSArray of objects in the receiver.

So, knowing this, it's pretty simple:

[[set allObjects] componentsJoinedByString:@" "];