Rust Devblog 261 〈POPULAR × 2026〉

#!/usr/bin/env cargo-script //! ```cargo //! [dependencies] //! regex = "1.10" //! anyhow = "1.0" //! ``` use regex::Regex; use anyhow::Result;

if n % 7 == 0 ...

if n.is_multiple_of(7) ...

let x = 42u32; assert!(x.is_multiple_of(7)); assert!(!x.is_multiple_of(5)); Avoids division by zero — it’s a panic (same as % ). 5. Cargo: --ignore-rust-version flag What’s new: Build crates even if they require a newer Rust version than your current toolchain. rust devblog 261

If you use #![deny(clippy::pedantic)] or custom lints, they are now more predictable. they are now more predictable.