subscribe(listener) Adds a change listener

getState() Returns the current state tree of

Redux FAQ: Code Structure Table of Contents

Middleware You've seen middleware in action in the Async Actions example

compose(...functions) Composes functions from right to left. This is a functional programming utility, and is

Three Principles Redux can be described in three fundamental principles: Single source of truth

Store In the previous sections, we defined the actions that represent the facts

Reducers Actions describe the fact that something happened, but don't

Prerequisite Reducer Concepts As described in Reducers, a Redux reducer function:

replaceReducer(nextReducer) Replaces the