Re: Finding object array index when iterating through array
Re: Finding object array index when iterating through array
- Subject: Re: Finding object array index when iterating through array
- From: Seth Willits <email@hidden>
- Date: Tue, 06 Mar 2012 18:28:17 -0800
On Mar 6, 2012, at 12:42 PM, Prime Coderama 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?
1) Add a counter…
2) for (NSUInteger i = 0; i…
3) [array enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) { … }];
4) [array indexOfObjectIdenticalTo:object]
None of them are great options, but #4 is the least amount of code and is fine if performance isn't a concern.
--
Seth Willits
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