How to tell if object is in NSArray?

Question

Is there a way to tell if a certain object is in an NSArray? The way I am adding objects to my array makes it possible for the same object to be added multiple times and I w

Answer 1

if([yourArray indexOfObject:yourObject] == NSNotFound) {
     // your object is not in here
}

Edit: middaparkas approach is way better (if you don't want the index …)!