SubRedditModel constructor Null safety

1. f_redditech
2. qwiddo
3. SubRedditModel
4. SubRedditModel constructor

SubRedditModel class

1. Constructors
2. SubRedditModel
3. Properties
4. categoryType
5. fetchedCategory
6. hashCode
7. hasListeners
8. runtimeType
9. subredditInfo
10. subredditPostTilesList
11. Methods
12. addListener
13. addPostListToList
14. addPostTileInList
15. changeCategory
16. clearPostTileList
17. dispose
18. getLastFetchedItem
19. noSuchMethod
20. notifyListeners
21. removeListener
22. setPostList
23. subscribe
24. toString
25. Operators
26. operator ==