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.

advanced · order 170

Rate limiter ownership map

design-rate-01Related book chapters: 27 (optional — this page is complete on its own)system-design

Slug: design-rate-01 · Paired reading: Chapter 27

Prompt

Token bucket owned by one owner: struct RateLimiter { capacity, tokens, refill_per_tick }, fn try_take(&mut self, n) -> bool, fn tick(&mut self).