New Objective-C Literals

NSArray:

NSInteger _appid = 12345;
NSArray *array = @[ @"title", @(_appid)];

NSString *title = array[0];
array[0] = @"newTitle";

NSDictionary:

NSDictionary *dict = @{
    @"appid" : @(_appid),
    @"title" : _title,
};

NSString *title = dict[@"title"];
dict[@"title"] = @"newTitle";

NSNumber:

NSNumber *intNum = @123;
NSNumber *floatNum = @1.23f;
NSNumber *boolNum = @YES;