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Re: How do you receive a BOOL from a method returning BOOL
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Re: How do you receive a BOOL from a method returning BOOL


  • Subject: Re: How do you receive a BOOL from a method returning BOOL
  • From: Shaun Wexler <email@hidden>
  • Date: Sat, 18 Dec 2004 10:37:47 -0800

On Dec 18, 2004, at 10:22 AM, Evan Schoenberg wrote:

On Dec 18, 2004, at 9:02 AM, BK [address used for mailing lists only] wrote:

BOOL res;
...
res = [res is10digitNANPA:[aString substringFromIndex:index]];
NSLog(@"res: %@", res);
return res;

and it shows me that res is NULL.

You need to read up on the printf-style formatters NSLog uses.

Here's a good cocoadevcentral article on it. Note the list of formatters about halfway down the page.
http://www.cocoadevcentral.com/articles/000007.php


One problem (of many potential problems) your code definitely has is that you can't print a BOOL value using the %@ formatter, which is reserved for ObjC objects. I'm amazed this line isn't crashing your program. The NSLog you want is:
NSLog(@"res: %i", res);

NSLog(@"res: %@", res ? @"YES" : @"NO"); -- Shaun Wexler MacFOH http://www.macfoh.com

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References: 
 >How do you receive a BOOL from a method returning BOOL (From: "BK [address used for mailing lists only]" <email@hidden>)
 >Re: How do you receive a BOOL from a method returning BOOL (From: Evan Schoenberg <email@hidden>)

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