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Re: Finding object array index when iterating through array
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Re: Finding object array index when iterating through array


  • Subject: Re: Finding object array index when iterating through array
  • From: Conrad Shultz <email@hidden>
  • Date: Tue, 06 Mar 2012 18:35:42 -0800

On 3/6/12 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?
>

You could use [array indexOfObjectIdenticalTo:object].

But I'm partial to block-based enumeration, which gives you the index
"for free":

- (void)enumerateObjectsUsingBlock:(void (^)(id obj, NSUInteger idx,
BOOL *stop))block;

--
Conrad Shultz

Synthetiq Solutions
www.synthetiqsolutions.com
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