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The latest Rust guides

Running Rust in production? Start flying.

Rust In Space! How Rust is powering next-generation space mission simulators

RUST
TYPE-DRIVEN DESIGN
RUSTCONF
VIDEO
An astronaut with crab pincers floats in space.

Learn to model 13 billion years of time with an inside look at a European Space Agency mission simulator.

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Writing production Rust macros with macro_rules!

RUST
MACROS
Crab and Goyle

Learn how experts write real production macros.

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The definitive guide to error handling in Rust

ARCHITECTURE
RUST
ERROR HANDLING
Illustration of a seagull attacking a crab

Learn to model and handle any error using idiomatic Rust.

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Master hexagonal architecture in Rust

RUST
TYPE-DRIVEN DESIGN
ARCHITECTURE
Hero image

Take the pain out of scaling. This guide has everything you need to write flexible, future-proof Rust applications using hexagonal architecture.

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Ownership by example: merging linked lists in Rust

RUST
OWNERSHIP
ALGORITHMS
DATA STRUCTURES
Illustration of a two-headed snake

Grok Rust's ownership model with a "simple" linked list coding challenge.

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Newsletter archives

Explore past editions of the How To Code It newsletter.

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#7

Rust In Space!

How to model spacetime, trade-offs of hexagonal architecture, Hyrum's Law and Christmas gifts.

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#6

The day the magic died

Expert-level macros, deterministic concurrent testing, and the attack of the Clones.

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#5

The heart of hexagonal architecture

The Service trait, a hexagonal project template, and return type notation.

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#4

It's all gone wrong

The Definitive Guide to Error Handling, a hexagonal architecture showdown, adopting Rust, and Rust Forge.

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#3

Feeling rusty? Take ownership

Hexagonal architecture part two, an ownership bootcamp, and axum internals.

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#2

Anatomy of a bad Rust application

Hexagonal architecture, nanoservices, and a smart community question.

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Behind the scenes

The latest updates from the backend of the frontend.

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2024-12-25

A Santa's sack of site upgrades

A festive round-up of the improvements I've been making to How To Code It.

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2024-06-11

Join me at RustConf 2024!

How To Code It is going to Montreal, where I'll be talking about my work on a next-generation space mission simulator.

Pull back the curtain