single-responsibility-principle

SKILL.md

Every module, class, or function should have responsibility over a single part of functionality. If you can describe what a class does using "AND", it has too many responsibilities.

Describe your class in one sentence. If it contains "AND", split it.

| "Handles user authentication" | ✅ Single responsibility | | "Handles authentication AND sends emails" | ❌ Two responsibilities | | "Manages orders AND processes payments AND tracks inventory" | ❌ Three responsibilities |

在建立或修改類別、模組或函數時使用。當感到有壓力為現有程式碼添加功能時使用。當類別有多種原因需要更改時使用。 來源：yanko-belov/code-craft。

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