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Re: Trying to delete the first char of a string?
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Re: Trying to delete the first char of a string?


  • Subject: Re: Trying to delete the first char of a string?
  • From: Fritz Anderson <email@hidden>
  • Date: Mon, 29 Oct 2007 10:49:26 -0500

On 29 Oct 2007, at 10:25 AM, Bob Ueland wrote:

-(void) awakeFromNib
{
   mstr=[NSMutableString stringWithString:@"Alabama"];
   NSLog(@"%@",mstr);
   // Delete first char
   [mstr deleteCharactersInRange: NSMakeRange (0, 1)];
   NSLog(@"%@",mstr);
}

Review Cocoa memory management. You initialize mstr with an autoreleased instance of NSMutableString. mstr is good within awakeFromNib, but once you get back to the run loop (as when you come around to insertText:), it points to something that isn't an object any more, and you crash.


	— F

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References: 
 >Trying to delete the first char of a string? (From: Bob Ueland <email@hidden>)

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