طبق ویدیو مقداردهی کنید:

static List get posts {
  return [
    PostData(
        id: 1,
        title: 'BMW M5 Competition Review 2021',
        caption: 'TOP GEAR',
        isBookmarked: false,
        likes: '3.1k',
        time: '1hr ago',
        imageFileName: 'small_post_1.jpg'),
    PostData(
        id: 0,
        title: 'MacBook Pro with M1 Pro and M1 Max review',
        caption: 'THE VERGE',
        isBookmarked: false,
        likes: '1.2k',
        time: '2hr ago',
        imageFileName: 'small_post_2.jpg'),
    PostData(
        id: 2,
        title: 'Step design sprint for UX beginner',
        caption: 'Ux Design',
        isBookmarked: true,
        likes: '2k',
        time: '41hr ago',
        imageFileName: 'small_post_3.jpg'),
  ];
}