Avoid Public Functions Calling Other Public Functions

6.8 relevance

Software design principle about public functions is actionable for code quality and architecture.

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Why It Matters

This conversation touches on API design and code maintainability, which directly impacts how you architect services and libraries in cloud-native and platform engineering contexts.

Key Takeaways

Refactor public functions that call other public functions into private helpers or separate modules to improve encapsulation and testability.

Summary

The thread discusses a software design principle that warns against public functions calling other public functions within the same class or module, arguing it can lead to tight coupling and reduced testability. Commenters generally agree that this pattern often indicates a need for refactoring, such as extracting private helper methods or redesigning the public API, though some note it can be acceptable in certain contexts like delegation or facade patterns.