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Re: NSInteger compare - Help Needed
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Re: NSInteger compare - Help Needed


  • Subject: Re: NSInteger compare - Help Needed
  • From: Carter Allen <email@hidden>
  • Date: Sat, 17 Jul 2010 14:04:48 -0600

Steve,

Have you tried changing "<<" in your code to simply "<"? That may work.

- Carter Allen

On Jul 17, 2010, at 1:58 PM, Steve Wetzel wrote:

> Hi all,
>
> I am new to Cocoa programming and am trying to do something that I thought was straightforward but not working.  I am using the tag field of a button to tell me what button is pushed.  This code does not work
>
> - (IBAction) numberPressed:(id)sender {
> 	NSLog(@"Sender tag is:%d", [sender tag]);
> 	if ([sender tag] << 10) {
> 		displayValues.rawNumber = [displayValues.rawNumber stringByAppendingString:[NSString stringWithFormat:@"%d", [sender tag]]];
> 	}
>
> buttons with tags 1-9 work great but the button with tag 0 does not.  When I pass tag 0 the if statement is evaluated as false.
>
> When I press button with tag 1 I get "Sender tag is:1" and the if statement is evaluated as true.
> When I press button with tag 0 I get "Sender tag is:0" and the if statement is evaluated as false.
>
> What is going wrong here?
>
> Steve
> Steve’s daily photo blog
>
>
>
>
>
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  • Follow-Ups:
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References: 
 >NSInteger compare - Help Needed (From: Steve Wetzel <email@hidden>)

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