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Rust feature search

This site allows you to quickly which version of Rust stabilized a certainfeature, or whether it is still unstable. Head over tocaniuse.rs to try it!

First you need to be able to run the site locally of course, to try yourchanges.

Pre-requisites:

• cargo
• wasm-pack (website has install instructions, to build from source usecargo install wasm-pack)
• rollup (npm install --global rollup if you havenpm installed)

Once those are installed, just runcargo xtask serve and the site will bebuilt and served athttp://localhost:8000/.

You may want to look at issue#16 for missing data. These fields can bespecified for a feature:

• title: Short description to identify the feature. Should fit into"can i use {title}?".
• flag: The feature flag, if any – you can most often find this in the diff ofthe stabilization or implementation PR, for library features look for#[stable] and#[rustc_const_stable] attributes.
• rfc_id: RFC ID, if applicable – the number of the PR that added the RFC.Also the first part of the filename of the RFC after being merged.
• impl_pr_id: Implementation PR ID, if applicable – the number of the PR thatadded this feature. For features where is no clear single implementation PR,leave out this field.
• tracking_issue_id: Tracking issue ID, if applicable.
• stabilization_pr_id: Stabilization PR ID, if applicable.
• doc_path: Documentation path, if applicable –https://doc.rust-lang.org/{path}.
• edition_guide_path: Edition guide path, if applicable –https://doc.rust-lang.org/edition-guide/{path}
• unstable_book_path: Unstable book path, if applicable –https://doc.rust-lang.org/unstable-book/{path}
• items: Language items (functions, structs, modules) that are part of thisfeature – do not specify if this feature is exactly one item and that itemis already used as the title
• aliases: Alternatives to thetitle

• alfred-caniuse-rs: caniuse.rslookups as an Alfred workflow (macOS)