1#import "Movie.h"
 2#import "MovieLibrary.h"
 3
 4@implementation MovieLibrary
 5-(id)init
 6{
 7  self = [super init];
 8  if(self) {
 9    _items = [[NSMutableArray alloc]init];
10  }
11  return self;
12}
13-(void)add:(Movie*)movie
14{
15  [_items addObject:movie];
16}
17-(int)total_movies
18{
19  return [_items count];
20}
21-(BOOL)includes:(Movie*)movie
22{
23  return [_items containsObject:movie];
24}
25@end