Check out a free preview of the full Reactive Angular 2 with ngrx course:
The "State Demonstration" Lesson is part of the full, Reactive Angular 2 with ngrx course featured in this preview video. Here's what you'd learn in this lesson:
Lukas uses the code in the sample application to demonstrate how a reducer is created and used inside the Items component. He looks at the boilerplate code for the typical CRUD operations and talks about how provideStore is used to register the reducer.