Re: Newbie problem with protocol

FROM : Andrew Pinski
DATE : Sun Jan 26 20:36:19 2003

The problem is NSTableDataSource is an informal protocol that means
you do not have to say the class inherits from the protocol, just
implement the messages.

Thanks,
Andrew Pinski


On Sunday, Jan 26, 2003, at 11:22 US/Pacific, Pierre Neihouser wrote:

> Hi,
>
> Trying to implement NSTableDataSource protocol, I get an error message
> when I build my project.
> Here is the interface:
>
> #import <AppKit/NSTableView.h>
> #import <Cocoa/Cocoa.h>
>
> @interface TableLogger : NSObject <NSTableDataSource>
>
> {
> }
>
> - (void)process:(NSTableView *)table;
>
> @end
>
> I get a "cannot find protocol declaration for `NSTableDataSource' "
> error message on build.
> I thought I imported everything needed, but it looks like I forgot
> something.
> Thanks for your help, if you need more information from me don't
> hesitate to ask.
>
> -- Pierre
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