Ace the Rust Interview

Enter your book access code

The curriculum, drills, tutor, and interviewer mode are for readers of Ace the Rust Interview. The code is printed in the Preface (Companion site access).

Don’t have the book yet? The landing page stays open — purchase unlocks this gym.

intermediate · order 103

Decode string

stack-decode-01Related book chapters: 17 (optional — this page is complete on its own)decode-string

Slug: stack-decode-01 · Paired reading: Chapter 17

Prompt

fn decode_string(s: &str) -> String — encoded form k[encoded_string] (possibly nested), e.g. "3[a2[c]]" → "accaccacc".