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)

Body Types

• channel: a simple channel-like body type with a sender side that can be used from another thread (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 most 0.x version bumps.
• Documentation might be limited for some items.
• Items that graduate to Actix Web crate will be marked deprecated here for a reasonable amount of time so you can migrate.
• Migrating will often be as easy as dropping the _lab suffix from imports when migrating.