thecodex.expert · The Codex Family of Knowledge
Free Course

Learn Rust

Three tracks taking you from first ownership error to concurrency and async — the most challenging and most rewarding language to learn. Free forever. No account.

🕐 ~15 hours3 tracksRust 2024 editionBorrow checker included

⚠ Rust has a steep learning curve. The borrow checker rejects code that is correct in every other language. This is not a bug — it is catching real memory errors. Every rejection is a lesson. Budget more time than you think you need for the Foundations track.

Track 1

Foundations

Ownership, types, and the borrow checker

  • Variables, types, and control flow
  • Ownership and move semantics
  • Borrowing and references
  • Structs, enums, and match
  • Option<T> and Result<T,E>
🕐 ~5 hours5 lessons + quiz
Start Foundations →
Track 2

Practitioner

Traits, generics, and real programs

  • Traits and trait bounds
  • Generics and impl Trait
  • Closures and iterators
  • Error handling and the ? operator
  • Collections: Vec, HashMap, String
🕐 ~5 hours5 lessons + quiz
Start Practitioner →
Track 3

Advanced

Lifetimes, concurrency, and async

  • Lifetimes and lifetime annotations
  • Smart pointers: Box, Rc, Arc
  • Threads, Mutex, and channels
  • Async Rust and Tokio basics
  • unsafe and FFI
🕐 ~5 hours5 lessons + quiz
Start Advanced →

Practice environment

Run Rust in your browser — no installation needed to start.

Rust Playground →