From 453202b490193fc887b0f2ba71f734371cd88d16 Mon Sep 17 00:00:00 2001
From: David Pedersen <david.pdrsn@gmail.com>
Date: Fri, 10 Jun 2022 08:46:09 +0200
Subject: [PATCH] Document all cargo features (#1079)

---
 axum-extra/src/lib.rs | 19 +++++++++++++++++++
 axum/src/lib.rs       |  2 ++
 2 files changed, 21 insertions(+)

diff --git a/axum-extra/src/lib.rs b/axum-extra/src/lib.rs
index 84d224a5..258ce4f6 100644
--- a/axum-extra/src/lib.rs
+++ b/axum-extra/src/lib.rs
@@ -1,5 +1,24 @@
 //! Extra utilities for [`axum`].
 //!
+//! # Feature flags
+//!
+//! axum-extra uses a set of [feature flags] to reduce the amount of compiled and
+//! optional dependencies.
+//!
+//! The following optional features are available:
+//!
+//! Name | Description | Default?
+//! ---|---|---
+//! `async-read-body` | Enables the `AsyncReadBody` body | No
+//! `cookie` | Enables the `CookieJar` extractor | No
+//! `cookie-private` | Enables the `PrivateCookieJar` extractor | No
+//! `cookie-signed` | Enables the `SignedCookieJar` extractor | No
+//! `erased-json` | Enables the `ErasedJson` response | No
+//! `form` | Enables the `Form` extractor | No
+//! `query` | Enables the `Query` extractor | No
+//! `spa` | Enables the `Spa` router | No
+//! `typed-routing` | Enables the `TypedPath` routing utilities | No
+//!
 //! [`axum`]: https://crates.io/crates/axum
 
 #![warn(
diff --git a/axum/src/lib.rs b/axum/src/lib.rs
index 2978ae23..ac977976 100644
--- a/axum/src/lib.rs
+++ b/axum/src/lib.rs
@@ -315,6 +315,8 @@
 //! `original-uri` | Enables capturing of every request's original URI and the [`OriginalUri`] extractor | Yes
 //! `tower-log` | Enables `tower`'s `log` feature | Yes
 //! `ws` | Enables WebSockets support via [`extract::ws`] | No
+//! `form` | Enables the `Form` extractor | Yes
+//! `query` | Enables the `Query` extractor | Yes
 //!
 //! [`TypedHeader`]: crate::extract::TypedHeader
 //! [`MatchedPath`]: crate::extract::MatchedPath