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