Ben Chuanlong Du's Blog

It is never too late to learn.

Tips on Rust Clippy

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

unused_variables unused_imports dead_code

General Tips

  1. Clippy does not support filtering by specific lint directly. However, it can be achieved via the old rustc flags hack. For example, you can use the …

Generating Random Numbers in Rust

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

Comments

  1. rand::rngs::StdRng (currently, ChaCha block cipher with 12 rounds) is the default recommended RNG which is a trade off among speed, quality and security. While rand::rngs::StdRng is a good default choice as a secure PRNG, it might be too slow for statistical simulations where security is not of a critical concern. rand::rngs::SmallRng

Const Generic in Rust

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

  1. Starting from Rust 1.51, constant generics is supported for integral types.

  2. The crate static_assertions can be used to assert that a const generic parameter satisfy certain conditions at compile time …