Tips on Rust

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Rust Blessed is an unofficial guide to the Rust ecosystem.

Installation¶

Please refer to Tips on rustup for installing Rust using rustup (the recommended way for most users), and Install a Standalone Version of Rust in Linux for installing a global standalone version of Rust.

Install a Newer Version of Rust via PPA on Ubuntu¶

:::bash
sudo apt-add-repository ppa:ubuntu-mozilla-security/rust-updates
sudo apt-get update
sudo apt-get install rustc

For details of the PPA ubuntu-mozilla-security/rust-updates, please refer to PPA for preparing rust toolchain updates for Firefox .

Rust Toolchains¶

cargo: package manager for Rust
rustup: version manager for Rust
rustc: compiler for Rust
clippy
rustfmt

Conditional Compilation in Rust¶

Conditional compilation for debug/release

:::bash
#[cfg(debug_assertions)]
...

Key Concepts in Rust¶

Moves, copies and clones in Rust

General Tips and Traps¶

Common newbie mistakes or bad practices Common Newbie Mistakes and Bad Practices in Rust: Bad Habits
Iterator::for_each is preferred over a for loop; Range (..) is preferred over RangeInclusive (..=). For detailed discussions, please refer to Big performance problem with closed intervals looping #45222 , Performance difference among Range, RangeInclusive and reversed , Why is iterator so much faster? and Why does iteration over an inclusive range generate longer assembly in Rust? .

Pattern Matching in Rust¶

Popular Rust Libraries¶

Please refer to Useful Rust Crates for detailed discussions.

Machine Learning¶

Please refer to Rust for Machine Learning for detailed discussions.

Parallel, Multithreading and Concurrency in Rust¶

loom¶

is a concurrency permutation testing tool for Rust.

sanitizers¶

This project is the home for Sanitizers: AddressSanitizer, MemorySanitizer, ThreadSanitizer, LeakSanitizer, and more The actual code resides in the LLVM repository. Here we keep extended documentation, bugfixes and some helper code.

rayon A data parallelism library for Rust.

http://worthe-it.co.za/programming/2018/10/03/going-four-times-faster-with-multithreading.html