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

Question

If I have an NSSet of NSString objects, how can I join them together to create a single NSString?

Chomp

Answer 1

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

So, knowing this, it's pretty simple:

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

Separator

However, be aware that "The order of the objects in the array isn’t defined." – Harken