# dtolnay/rust-quiz

Medium to hard Rust questions with explanations

Repository: https://github.com/dtolnay/rust-quiz
Canonical: https://ross.abutalabs.com/products/rust-quiz
Homepage: https://dtolnay.github.io/rust-quiz
Language: Rust
License: CC-BY-SA-4.0
License Family: other
Last push: 2026-07-30T15:16:45+00:00

## Health v2 (maintenance only)
Score: 66/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 95, release rhythm 8, longevity 100
- inputs: {"age_days": 2835, "days_push": 34, "days_rel": 585, "gap_med": null, "n_releases_24m": 1}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1924, forks 69 (observed 2026-08-28T04:05:55.391744+00:00)

## What it is
A collection of medium-to-hard Rust quiz questions with hints and detailed explanations, served as an interactive website. Questions test obscure Rust language behavior such as trait resolution, lifetimes, and macro semantics.

## Use cases
- practice tricky rust quiz questions
- learn obscure rust language behavior
- prepare for rust interviews
- test my understanding of rust semantics
- find rust questions with explanations
- study rust edge cases interactively

## When to choose
- you already know Rust basics and want to deepen your grasp of subtle language semantics
- you enjoy puzzle-style learning with worked explanations
- you want a free, self-paced way to stress-test Rust knowledge

## When to avoid
- you are a complete beginner learning Rust from scratch
- you need structured tutorials or project-based learning rather than trivia-style questions
- you want certification or graded assessment

## Facets
- artifact type: learning-resource
- maturity: active
- function: developer-tools, documentation
- domain: programming-languages, education, tutorials
- platform: rust, cli
- tags: quiz, rust-quiz, interactive-learning, language-semantics, self-assessment, web

## Member repositories
- dtolnay/rust-quiz (main) score 66

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:05:55.391744+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T03:09:34.272201+00:00, confidence not recorded.
  - readme: https://github.com/dtolnay/rust-quiz (fetched 2026-08-28T04:05:55.391744+00:00, sha cbcce97594b8)
  - homepage: https://dtolnay.github.io/rust-quiz (fetched 2026-08-29T10:48:50.507006+00:00, sha 02e458a0917b)
  - registry_crates: https://crates.io/api/v1/crates/rust-quiz (fetched 2026-08-29T10:48:50.515878+00:00, sha a701ec01f0c7)
- Data as of 2026-08-30T08:39:29.467469+00:00.