cohesion - "coherence"的良好定义

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我试图告诉某人他的代码不是“连贯的”，因为它有多种用途。我认为我不能很好地解释它，所以我正在寻找一个很好的引用和/或定义。

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我认为正确的术语是 cohesion .

In computer programming, cohesion is a measure of how strongly-related and focused the various responsibilities of a software module are. Cohesion is an ordinal type of measurement and is usually expressed as "high cohesion" or "low cohesion" when being discussed.

Modules with high cohesion tend to be preferable because high cohesion is associated with several desirable traits of software including robustness, reliability, reusability, and understandability whereas low cohesion is associated with undesirable traits such as being difficult to maintain, difficult to test, difficult to reuse, and even difficult to understand.