Generic Classes
Explore how to create and use generic classes in Dart that restrict input types for improved type safety and code reusability. Understand bounds on generic parameters and see practical examples restricting classes to specific types like Product.
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Generic Classes
Generic classes help restrict the type of values accepted by the class. These supplied values are known as the generic parameter(s).
In the following example, the class FreshProduce is restricted to accept only the Product data type. It is acceptable to use FreshProduce without the <Product> parameter as Dart will assume it to be of the type Product. However, if any other data type other than the allowed type is passed, you’ll see a compile-time error.
The FreshProduce Class
The FreshProduce class is ...