Re: adding something to a setter
Re: adding something to a setter
- Subject: Re: adding something to a setter
- From: Mike Abdullah <email@hidden>
- Date: Thu, 06 Oct 2011 13:36:00 +0100
On 6 Oct 2011, at 13:09, Thomas Davie wrote:
> I don't know of any better way than simply writing the setters yourself. One thing I'd love to see apple add to the language is allowing us to specify a code block to be included in setter and getting in the synthesize:
>
> @property (readwrite, retain, nonatomic) NSString *theValue;
>
> @synthesize (setCode={ [self setNeedsDisplay:YES]; }, getCode={ NSLog(@"It's being set"); });
>
> would be lovely if it desugared to this in the implementation:
>
> {
> NSString *theValue;
> }
>
> - (NSString *)theValue
> {
> { NSLog(@"It's being set"); }
> return [[theValue retain] autorelease];
> }
>
> - (void)setTheValue:(NSString *)newTheValue
> {
> if (theValue != newTheValue)
> {
> [theValue release];
> theValue = [newTheValue retain];
> { [self setNeedsDisplay:YES]; }
> }
> }
>
> Does anyone have any comments on why that might not work, before I file a bug report to request it?
Well it would become rather unreadable for anything more than a single line of code._______________________________________________
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