Concurrency
Tokio Runtime Explained Workers Tasks and the Scheduler
What the Tokio runtime is made of: worker threads, a task queue, an I/O driver and a timer. See how multi-thread and current-thread flavors differ.
7 min read
Library
Everything you need to level up your coding skills.
Generics
Trait Bounds and Where Clauses in Rust Explained Made Clear
Trait bounds say what a generic type must be able to do. Learn the T: Trait syntax, where clauses, multiple bounds and when each form reads better.
7 min read
Generics
Traits in Rust Explained as Shared Behavior With Examples
A trait is a named set of methods a type promises to provide. See how to define one, implement it, give it default methods and use it as a bound.
7 min read
Rust
Rust Collections Compared Vec HashMap HashSet and BTreeMap
Choose between Vec, VecDeque, HashMap, HashSet, BTreeMap and BTreeSet by the operations you need, with complexity, ordering and memory notes.
8 min read
Rust
Install Rust With Rustup and Set Up Your First Project
Install the Rust toolchain with rustup, check that it works, pick a channel and create your first Cargo project, with the three problems that stop most first installs.
7 min read
Rust
Closures in Rust and How Fn FnMut and FnOnce Differ
Closures capture their environment, and the Fn, FnMut and FnOnce traits describe how. See which one the compiler picks and which bound to write.
9 min read
Guide
Cargo Workspaces Features and Publishing a Crate Guide
A guide to Cargo beyond cargo build: the manifest, dependency versions, features, workspaces, profiles, MSRV, publishing and the errors you will meet along the way.
14 min read
Rust
Iterators in Rust From For Loops to Adapter Chains
Iterators are lazy: adapters like map and filter do nothing until a consumer such as collect or sum runs. See the chain, the traits and the common traps.
7 min read
SecurityGuide
Security for Rust Developers a Practical Threat Model
A practical threat model for Rust code: what the compiler prevents, what it does not, and the checklist of supply chain, input handling, secrets, cryptography and deployment risks.
14 min read
Rust
Crates Packages and Modules in Rust Told Apart Explained
A package has a Cargo.toml, a crate is one compilation unit, and a module is a namespace inside it. Learn how the three nest and what each one changes.
7 min read
Editor's pick
TestingGuide
Testing in Rust Unit Integration Doc and Property Tests
A guide to testing Rust code: unit tests beside the code, integration tests in tests, doc tests, property tests, snapshots, mocks, async tests and the commands to run them.
17 min read
Rust
Modules and Visibility in Rust Without the Confusion
Modules organize Rust code and control what is public. Learn mod, pub, use, super, self, file layout and why privacy is by module and not by type.
8 min read
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