actix-web-lab

Experimental extractors, middleware, and other extras for possible inclusion in Actix Web.

Features

Responders

• Csv: efficient CSV streaming (docs)
• NdJson: efficient NDJSON streaming (docs)

Middleware

• from_fn: use an async function as a middleware (docs)

Extractors

• LazyData: app data/state initialized on first use (docs)
• Json: simplified JSON extractor with const-generic limits (docs)

Services

• Redirect: simple redirects (docs)

Route Guards

• Acceptable: verifies that an Accept header is present and it contains a compatible MIME type. (docs)

Things To Know About This Crate

• It will never reach v1.0.
• Minimum Supported Rust Version (MSRV) is latest stable at the time of each release.
• Breaking changes will likely happen on every 0.x version bump.
• Documentation will probably be limited for some items.
• Items that graduate to the main Actix Web crate will be deprecated for at least one minor version of this crate.
• It will often be as easy as dropping the _lab suffix from imports when items graduate.