> I can't think of a compare method in the Objective-C core lib (the biggest nil-swallowing lib I know of). Does anyone know of one? Would be interesting to see

> I can't think of a compare method in the Objective-C core lib (the biggest nil-swallowing lib I know of). Does anyone know of one? Would be interesting to see how it's handled and if it causes issues. Maybe I misunderstood you, but there is plenty of compare:'s in Cocoa: http://cl.ly/image/1a112f1B1W1g http://cl.ly/image/1a112f1B1W1g. They all return an enum that's either -1, 0 or 1.