Editor's pick
CLIGuide
A Command Line Tool in Rust From Clap to a Shipped Release
Build a command line tool in Rust from the first clap derive to a release binary: arguments, config, output, exit codes, tests and distribution.
17 min read
Library
Everything you need to level up your coding skills.
Rust
Integer Overflow in Rust and Why Debug and Release Differ
Integer overflow panics in a debug build and wraps in a release build. See the exact behavior, the checked, wrapping and saturating methods, and the setting that changes it.
6 min read
Editor's pick
WebGuide
An Axum Service You Can Run in Production From Zero
Build a small Axum 0.8 service from an empty crate to something you can deploy: a testable router, one error type, limits and timeouts, tracing, oneshot tests and graceful shutdown on SIGTERM.
17 min read
Rust
Rust Data Types From Integers to Tuples and Arrays
A tour of Rust primitive and compound types: integers, floats, bool, char, tuples, arrays and slices, with their sizes, defaults and the casts that bite.
7 min read
Editor's pick
ConcurrencyGuide
Async Rust and Tokio From Futures to a Production Service
A guide to async Rust and Tokio: futures, the runtime, spawning, blocking, channels and the mistakes that make a service stop answering.
16 min read
Rust
Variables and Mutability in Rust Explained With Examples
Rust variables are immutable by default. Learn let, let mut, shadowing, constants and the compiler messages you will meet when you change a value you did not mark.
7 min read
GenericsGuide
Traits Generics and Trait Objects and How to Choose
A guide to choosing between generics, impl Trait, trait objects and enums in Rust, with one example solved four ways and the costs of each.
18 min read
Editor's pick
RustGuide
A Rust Language Tour for Developers Who Already Code
A fast route through the Rust language for developers who already code in another language, built around one small program that touches ownership, enums, traits and errors.
18 min read
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