第 3 章 · 模块化、对象和状态

Chapter 3: Modularity, Objects, and State

第 3 章：模块化、对象和状态

3.1 Assignment and Local State

3.1 状态、对象和赋值

3.2 The Environment Model of Evaluation

3.2 抽象、求值和边界

3.3 Modeling with Mutable Data

3.3 状态、对象和赋值

3.4 Concurrency: Time Is of the Essence

3.4 抽象、求值和边界

3.5 Streams

3.5 流、延迟求值和时间

Exercises in this chapter: 82.

本章习题数：82。