keep-functions-short-by-top-down-decomposition

Summary

Do not write long logic immediately. First, describe the process in comments/verbs, then convert those comments into function calls.

Rationale

• Breaking down logic into named functions explains "what" is happening without showing "how".
• It makes code readable like a sentence.
• It clarifies responsibilities early.

Guidance

1. Write the steps of your function as comments (verbs).
2. Convert comments into function calls (even if they don't exist yet).
3. Implement the sub-functions recursively using the same method.

Examples