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#include <stdio.h>
#include <objc/Object.h>
@protocol Job
-do;
@end
@interface MyJob : Object<Job>
-do;
@end
@implementation MyJob
-do
{
printf("Doing Job\n");
return self;
}
@end
@interface JobExecutor : Object
-doWith: (id<Job>)job for: (int)count;
@end
@implementation JobExecutor
-doWith: (id<Job>)job for: (int)count
{
for (int i = 0; i < count; ++i)
{
[job do];
}
return self;
}
@end
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