Am 08.03.2012 um 03:39 schrieb Greg Parker: > On Mar 6, 2012, at 6:19 PM, Marco Tabini <mtab...@me.com> wrote: >>> I have an array and I am iterating through it using this technique: >>> >>>> for (id object in array) { >>>> // do something with object >>>> } >>> >>> Is there way to obtain the object's current array index position or do I >>> have to add a counter? >> >> [array indexOfObject:object] should do the trick, though, if you need to do >> it at every iteration, keeping a counter may be better. > > Note that -indexOfObject: returns an object from the array that is -isEqual: > to the parameter. This might not be the same object that you are looking at. > > -indexOfObjectIdenticalTo: would solve the -isEqual: problem, but would still > return the wrong index if the same object were in the array twice. > > You should add a counter to your for..in loop, or use a traditional counted > for loop and -objectAtIndex:
Finally... After reading so much "doubtful" (= outright bad) advice I began to doubt my own understanding of Objective-C. What a relief! Thank you! Peter _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com