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Re: [Obj-C] if (self) vs. if (self != nil)
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Re: [Obj-C] if (self) vs. if (self != nil)

  • Subject: Re: [Obj-C] if (self) vs. if (self != nil)
  • From: "Gary L. Wade" <email@hidden>
  • Date: Sat, 25 Feb 2012 09:51:51 -0800
On Feb 25, 2012, at 6:29 AM, Scott Ribe <email@hidden> wrote:

> (!0) evaluates to 1.

I've seen it evaluate to -1 in one compiler some time back when stored in a signed integer bit field variable.
--
Gary L. Wade (Sent from my iPhone)
http://www.garywade.com/

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References: 
 >[Obj-C] if (self) vs. if (self != nil) (From: Oleg Krupnov <email@hidden>)
 >Re: [Obj-C] if (self) vs. if (self != nil) (From: Keary Suska <email@hidden>)
 >Re: [Obj-C] if (self) vs. if (self != nil) (From: Sean McBride <email@hidden>)
 >Re: [Obj-C] if (self) vs. if (self != nil) (From: David Mirabito <email@hidden>)
 >Re: [Obj-C] if (self) vs. if (self != nil) (From: Scott Ribe <email@hidden>)

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