Rust

Memory safety without a garbage collector.

Rust is taught here in 13 lessons, running from Syntax and ownership through to A command-line tool end to end. Each lesson takes one topic, shows the working code, and links onward to the next, so the course can be read straight through in order.

Lessons

1. Syntax and ownershipBindings, the primitive type set, and the ownership and borrowing rules that replace a garbage collector.
2. Structs, enums and pattern matchingGrouping data with structs, modelling alternatives with enums, and letting match prove you handled every case.
3. Error handling with Result and CargoReturning errors instead of throwing them, the ? operator, and the Cargo workflow that builds, tests and ships a crate.
4. Setting up Rust: rustup, Cargo and edition 2024Installing with rustup, cargo new and cargo add, the Cargo.toml fields that matter, cargo check, run, test and fmt, clippy, and when a workspace helps.
5. Traits, generics and lifetimesDefining and implementing traits, default methods, bounds and where clauses, static versus dynamic dispatch, lifetime elision, and practical borrow-checker rules.
6. Collections, strings and iteratorsString versus str, Vec and the map types, iterator adapters and consumers, closures and capturing, and ownership inside loops.
7. Modules, crates and project structuremod, pub and use, library versus binary targets, file and folder layout, workspaces, feature flags, dependency semver, and generated docs.
8. Smart pointers and interior mutabilityBox, Rc, RefCell, Arc and Mutex, Cow, reference cycles and Weak, and how to choose the ownership pattern for a shared data model.
9. Concurrency and async RustThreads and scoped threads, Send and Sync, channels, shared state, async/await, the Tokio runtime, tasks, timeouts and cancellation.
10. Testing, documentation and CIUnit tests in-module, integration tests, test organisation and fixtures, doc-tests, benchmarks, and a CI pipeline that lints and audits.
11. File I/O, serde and everyday cratesstd::fs and buffered readers and writers, path handling, serde and serde_json, clap, anyhow versus thiserror, reqwest, and tracing.
12. Unsafe, FFI and performanceWhen unsafe is justified, raw pointers and the edition 2024 unsafe rules, calling C through extern blocks, avoiding unnecessary unsafe, and profiling release builds.
13. A command-line tool end to endDesigning the CLI, parsing arguments, configuration and environment, error reporting, logging, tests, cross-compilation and publishing a release.

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Last refreshed 2026-09-18.