Is there an easy way to iterate over an NSArray backwards?

Question

I\'ve got an NSArray and have to iterate over it in a special case backwards, so that I first look at the last element. It\'s for performance reasons: If the la

Answer 1

To add on the other answers, you can use -[NSArray reverseObjectEnumerator] in combination with the fast enumeration feature in Objective-C 2.0 (available in Leopard, iPhone):

for (id someObject in [myArray reverseObjectEnumerator])
{
    // print some info
    NSLog([someObject description]);
}

Source with some more info: http://cocoawithlove.com/2008/05/fast-enumeration-clarifications.html