• Open Menu Close Menu
  • Apple
  • Shopping Bag
  • Apple
  • Mac
  • iPad
  • iPhone
  • Watch
  • TV
  • Music
  • Support
  • Search apple.com
  • Shopping Bag

Lists

Open Menu Close Menu
  • Terms and Conditions
  • Lists hosted on this site
  • Email the Postmaster
  • Tips for posting to public mailing lists
Re: BOOL parameter passed as nil object
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: BOOL parameter passed as nil object

  • Subject: Re: BOOL parameter passed as nil object
  • From: Greg Parker <email@hidden>
  • Date: Tue, 19 Apr 2016 12:23:06 -0700
> On Apr 19, 2016, at 12:07 PM, Jens Alfke <email@hidden> wrote:
>
>> On Apr 19, 2016, at 10:22 AM, Alex Zavatone <email@hidden> wrote:
>>
>> I believe that a BOOL can only be YES or NO.  A nil value on a BOOL would be NO if I am correct.
>
> At the language level, yes.

Not even there. On some platforms BOOL is defined as signed char. It may have any of 254 values other than YES or NO.


--
Greg Parker     email@hidden     Runtime Wrangler



_______________________________________________

Cocoa-dev mailing list (email@hidden)

Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com

Help/Unsubscribe/Update your Subscription:

This email sent to email@hidden
  • Follow-Ups:
    • Re: BOOL parameter passed as nil object
      • From: Alex Zavatone <email@hidden>
References: 
 >BOOL parameter passed as nil object (From: Carl Hoefs <email@hidden>)
 >Re: BOOL parameter passed as nil object (From: Alex Zavatone <email@hidden>)
 >Re: BOOL parameter passed as nil object (From: Jens Alfke <email@hidden>)

  • Prev by Date: Re: Proper way to set up constants when building an iOS framework
  • Next by Date: Re: Proper way to set up constants when building an iOS framework
  • Previous by thread: Re: BOOL parameter passed as nil object
  • Next by thread: Re: BOOL parameter passed as nil object
  • Index(es):
    • Date
    • Thread