不可变数据是函数编程中的一个重要元素。

Immutable data is an important element of functional programming.

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重构为纯函数中所述，使用纯函数是函数编程的一个示例。

Refactoring Into pure functions, using pure functions is an example of functional programming.

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在这一部分中，我讨论的是函数式编程的基石之一：不变性。

In this installment, I discuss one of the building blocks of functional programming: immutability.

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This combining of data and functions on that data is a very essence of object-oriented programming That's really what defines it.

数据与函数的结合,是面向对象编程的核心,这也就是它的定义。

麻省理工公开课 - 计算机科学及编程导论课程节选