Problems with Extending and Implementing :
Dart mixins are a powerful feature that allows you to add functionality to classes without using inheritance.
One common issue arises when a class extends another class that uses a mixin.
Since Dart does not support multiple inheritance, if the superclass already inherits from another class, you cannot directly inherit from another class that uses a mixin.
This limitation can sometimes lead to design challenges, especially if you need to combine functionality from multiple sources.
Another problem occurs when a class implements an interface and also uses a mixin that provides some of the same methods.
Carefully design your mixins: Make sure your mixins provide well-defined and non-conflicting functionality. Avoid methods with generic names that might clash with methods in other mixins or interfaces.
Use composition: Instead of relying solely on mixins, consider using composition to combine functionality from multiple sources. You can create separate objects for each piece of functionality and delegate method calls to them as needed.
Avoid deep inheritance hierarchies: Try to keep your class hierarchies shallow to minimize the risk of conflicts and make your code easier to understand and maintain.
Explicitly disambiguate conflicting methods: If you encounter conflicts between methods from mixins and interfaces, you can explicitly implement the conflicting methods in your class and delegate to the appropriate mixin or interface implementation.