code-explanation

name	code-explanation
description	Explain code clearly with step-by-step walkthrough. Use when the user asks to explain code, asks 'what does this do', 'how does this work', or ELI5. Produces 6-section structured explanation: high-level summary, step-by-step, design rationale, concrete I/O example, edge cases, common mistakes.

Code Explanation

When asked to explain code:

1. High-level (one sentence)

"This function does X."

2. Step-by-step

Walk through what each part does, in plain language.

3. Why it's written this way

What design choice? What alternatives? Why this one?

4. Concrete example

Show input → output with real values.

5. Edge cases

What if input is empty? Null? Too big?

6. Common mistakes

What do people get wrong when using this?

Format

For beginners: more analogies, fewer technical terms For experts: more precision, less hand-holding

Always end with: "Anything unclear?"