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The latest Rust guides

Running Rust in production? Start flying.

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

RUST
ARCHITECTURE
ERRORS
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Learn to model and handle any error using idiomatic Rust.

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Master hexagonal architecture in Rust

RUST
ARCHITECTURE
NEWTYPES
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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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Rust ownership explained: merging linked lists

RUST
OWNERSHIP
DATA STRUCTURES
ALGORITHMS
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How a "simple" linked list coding challenge helps explain Rust's ownership model.

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The ultimate guide to Rust newtypes

RUST
NEWTYPES
TYPE-DRIVEN DESIGN
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Improve type safety, clarify business logic and improve test coverage with Rust's newtype wrappers.

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Newsletter archives

Explore past editions of the How To Code It newsletter.

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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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#1

A newtype of Rust newsletter

RustConf 2024, Rust in space, and the ultimate guide to Rust newtypes.

Behind the scenes

The latest updates from the backend of the frontend.

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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.