Dart in Action

Chapter 8. Collections of richer classes

This chapter covers

• Working with collections
• Building type-safe, general-purpose classes with generics
• Overloading class operators

In the previous two chapters, we discussed how you can use classes and interfaces in your Dart applications and libraries. In this final chapter on classes, we’ll look at how to make classes richer and even more flexible and descriptive by using some of their advanced features.

We’ll start by using the built-in collection classes, such as List and Map, which allow you to manipulate lists of data. By using generic types, you can help make accessing your collections type-safe and benefit from additional validations from the type checker. You’ll use the indexer syntax to ...