Tag

lints

3 posts

Concurrency

Rust Warning Unused Future Must Be Used and What It Hides

Futures are lazy: calling an async fn without .await does nothing. The unused_must_use warning is the compiler catching a missing await, a forgotten spawn, or a dropped JoinHandle.

6 min read

Tooling

Configuring Lints in Cargo Toml for the Whole Workspace

Set rustc and Clippy lint levels in the [lints] table of Cargo.toml, inherit them across a workspace with workspace.lints and handle priority for groups.

2 min read

Workspace Lints and Package Inheritance in Cargo Explained

Share one version, one edition and one lint set across a workspace. See [workspace.package], [workspace.lints] and workspace = true in members.

6 min read