Re: Method not seeing array as array
Re: Method not seeing array as array
- Subject: Re: Method not seeing array as array
- From: Will Mason <email@hidden>
- Date: Thu, 3 Feb 2005 03:06:53 -0800 (PST)
- Comment: DomainKeys? See http://antispam.yahoo.com/domainkeys
> >> 'if(!self) return nil' line)
> >
> > Is there something wrong with
> >> if(!self) return nil;
> > other than its being a shorthand for
> >> if(self == nil) return nil;
> > ?
>
> In reality no... it more clearly conveys your intent to test against
> nil since nil explicitly implies no object.
The problem with "if (!self)" is that you're assuming that nil is equal
to zero. I have never seen documentation that says that nil has to be
zero. Although it's probably a safe assumption, it's still just an
assumption, as the documentation nowhere declares that nil has to be
zero. Therefore, I always use the construct "if (something == nil)"
rather than "if (!something)".
Just a thought,
Will
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