gistfile1.txt

// Given a set of NSManagedObjects, return those objects in this managed object context
-(NSMutableSet*)objectsInSet:(NSSet*)objects {
    NSMutableSet *newSet = [NSMutableSet set];
    for (NSManagedObject* object in objects) {
        [newSet addObject:[self objectWithID:object.objectID]];
    }
    return newSet;
}