import "ViewController.h"

import "Person.h"

@implementation ViewController

• (void)viewDidLoad {
  [super viewDidLoad];
  NSLog(@"%@", [NSObject class]);

  NSLog(@"%d", [[NSObject class] isKindOfClass:[NSObject class]]);
  // YES

  NSLog(@"%d", [[Person class] isKindOfClass:[NSObject class]]);
  // YES

  NSLog(@"%d", [[Person class] isMemberOfClass:[NSObject class]]);
  // NO

  NSLog(@"%d", [[Person new] isMemberOfClass:[NSObject class]]);
  // NO

  Person *p = [Person new];
  NSLog(@"%d", [[p class] isMemberOfClass:[Person class]]);
  // NO

  NSLog(@"%d", [p isMemberOfClass:[Person class]]);
  // YES
  }

@end