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mlRe: Problems with [NSArray count]
FROM : Shawn Erickson
DATE : Tue Apr 22 23:10:00 2008

On Tue, Apr 22, 2008 at 2:03 PM, Peter Browne
<<email_removed>> wrote:
> Hi,
>
>  I'm returning to Cocoa after quite a long break, and it seems that I'm a
> little rusty...
>
>  All I want to do is find out the number of items in an NSArray and store
> that as a variable, which I can then find the square root of.
>
>  The docs tell me that [NSArray count] returns an NSUInteger, but exactly
> WHAT one of these is, or how I use it is baffling me.
>
>  a simple
>
>        int i = [myArray count];
>
>  crashes out, and I've tried various other types of variable to no avail.
> Any thoughts? Am I missing something blindingly obvious here?


NSUInteger is either "unsigned int" in the 32 bit runtime or "unsigned
long" in the 64 bit runtime.

Review: <http://developer.apple.com/documentation/Cocoa/Conceptual/Cocoa64BitGuide/64BitChangesCocoa/chapter_3_section_2.html>

The crash is unrelated the use of int in the above... Can you outline
more information about the "crash" you are seeing?

-Shawn

Related mailsAuthorDate
mlProblems with [NSArray count] Peter Browne Apr 22, 23:03
mlRe: Problems with [NSArray count] Shawn Erickson Apr 22, 23:10
mlRe: Problems with [NSArray count] Shawn Erickson Apr 22, 23:14
mlRe: Problems with [NSArray count] David Duncan Apr 22, 23:15
mlRe: Problems with [NSArray count] Andy Lee Apr 22, 23:19
mlRe: Problems with [NSArray count] Peter Browne Apr 22, 23:45
mlRe: Problems with [NSArray count] Hamish Allan Apr 22, 23:57
mlRe: Problems with [NSArray count] Shawn Erickson Apr 23, 00:04
mlRe: Problems with [NSArray count] David Duncan Apr 23, 01:08