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
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 mails | Author | Date |
|---|---|---|
| Peter Browne | Apr 22, 23:03 | |
| Shawn Erickson | Apr 22, 23:10 | |
| Shawn Erickson | Apr 22, 23:14 | |
| David Duncan | Apr 22, 23:15 | |
| Andy Lee | Apr 22, 23:19 | |
| Peter Browne | Apr 22, 23:45 | |
| Hamish Allan | Apr 22, 23:57 | |
| Shawn Erickson | Apr 23, 00:04 | |
| David Duncan | Apr 23, 01:08 |






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