Replace async_trait with AFIT / RPITIT (#2308)

Co-authored-by: Jonas Platte <[email protected]>

examples/consume-body-in-extractor-or-middleware/src/main.rs

@@ -5,7 +5,6 @@
 //! ```
 
 use axum::{
-    async_trait,
     body::{Body, Bytes},
     extract::{FromRequest, Request},
     http::StatusCode,
@@ -74,7 +73,6 @@ async fn handler(BufferRequestBody(body): BufferRequestBody) {
 struct BufferRequestBody(Bytes);
 
 // we must implement `FromRequest` (and not `FromRequestParts`) to consume the body
-#[async_trait]
 impl<S> FromRequest<S> for BufferRequestBody
 where
     S: Send + Sync,

examples/customize-extractor-error/src/custom_extractor.rs

@@ -5,7 +5,6 @@
 //! - Boilerplate: Requires creating a new extractor for every custom rejection
 //! - Complexity: Manually implementing `FromRequest` results on more complex code
 use axum::{
-    async_trait,
     extract::{rejection::JsonRejection, FromRequest, MatchedPath, Request},
     http::StatusCode,
     response::IntoResponse,
@@ -20,7 +19,6 @@ pub async fn handler(Json(value): Json<Value>) -> impl IntoResponse {
 // We define our own `Json` extractor that customizes the error from `axum::Json`
 pub struct Json<T>(pub T);
 
-#[async_trait]
 impl<S, T> FromRequest<S> for Json<T>
 where
     axum::Json<T>: FromRequest<S, Rejection = JsonRejection>,

examples/customize-path-rejection/src/main.rs

@@ -5,7 +5,6 @@
 //! ```
 
 use axum::{
-    async_trait,
     extract::{path::ErrorKind, rejection::PathRejection, FromRequestParts},
     http::{request::Parts, StatusCode},
     response::IntoResponse,
@@ -49,7 +48,6 @@ struct Params {
 // We define our own `Path` extractor that customizes the error from `axum::extract::Path`
 struct Path<T>(T);
 
-#[async_trait]
 impl<S, T> FromRequestParts<S> for Path<T>
 where
     // these trait bounds are copied from `impl FromRequest for axum::extract::path::Path`

examples/diesel-async-postgres/src/main.rs

@@ -13,7 +13,6 @@
 //! for a real world application using axum and diesel
 
 use axum::{
-    async_trait,
     extract::{FromRef, FromRequestParts, State},
     http::{request::Parts, StatusCode},
     response::Json,
@@ -102,7 +101,6 @@ struct DatabaseConnection(
     bb8::PooledConnection<'static, AsyncDieselConnectionManager<AsyncPgConnection>>,
 );
 
-#[async_trait]
 impl<S> FromRequestParts<S> for DatabaseConnection
 where
     S: Send + Sync,

examples/jwt/src/main.rs

@@ -7,7 +7,6 @@
 //! ```
 
 use axum::{
-    async_trait,
     extract::FromRequestParts,
     http::{request::Parts, StatusCode},
     response::{IntoResponse, Response},
@@ -122,7 +121,6 @@ impl AuthBody {
     }
 }
 
-#[async_trait]
 impl<S> FromRequestParts<S> for Claims
 where
     S: Send + Sync,

examples/oauth/src/main.rs

@@ -11,7 +11,6 @@
 use anyhow::{Context, Result};
 use async_session::{MemoryStore, Session, SessionStore};
 use axum::{
-    async_trait,
     extract::{FromRef, FromRequestParts, Query, State},
     http::{header::SET_COOKIE, HeaderMap},
     response::{IntoResponse, Redirect, Response},
@@ -254,7 +253,6 @@ impl IntoResponse for AuthRedirect {
     }
 }
 
-#[async_trait]
 impl<S> FromRequestParts<S> for User
 where
     MemoryStore: FromRef<S>,

examples/parse-body-based-on-content-type/src/main.rs

@@ -7,7 +7,6 @@
 //! ```
 
 use axum::{
-    async_trait,
     extract::{FromRequest, Request},
     http::{header::CONTENT_TYPE, StatusCode},
     response::{IntoResponse, Response},
@@ -48,7 +47,6 @@ async fn handler(JsonOrForm(payload): JsonOrForm<Payload>) {
 
 struct JsonOrForm<T>(T);
 
-#[async_trait]
 impl<S, T> FromRequest<S> for JsonOrForm<T>
 where
     S: Send + Sync,

examples/sqlx-postgres/src/main.rs

@@ -14,7 +14,6 @@
 //! ```
 
 use axum::{
-    async_trait,
     extract::{FromRef, FromRequestParts, State},
     http::{request::Parts, StatusCode},
     routing::get,
@@ -75,7 +74,6 @@ async fn using_connection_pool_extractor(
 // which setup is appropriate depends on your application
 struct DatabaseConnection(sqlx::pool::PoolConnection<sqlx::Postgres>);
 
-#[async_trait]
 impl<S> FromRequestParts<S> for DatabaseConnection
 where
     PgPool: FromRef<S>,

examples/tokio-postgres/src/main.rs

@@ -5,7 +5,6 @@
 //! ```
 
 use axum::{
-    async_trait,
     extract::{FromRef, FromRequestParts, State},
     http::{request::Parts, StatusCode},
     routing::get,
@@ -68,7 +67,6 @@ async fn using_connection_pool_extractor(
 // which setup is appropriate depends on your application
 struct DatabaseConnection(PooledConnection<'static, PostgresConnectionManager<NoTls>>);
 
-#[async_trait]
 impl<S> FromRequestParts<S> for DatabaseConnection
 where
     ConnectionPool: FromRef<S>,

examples/tokio-redis/src/main.rs

@@ -5,7 +5,6 @@
 //! ```
 
 use axum::{
-    async_trait,
     extract::{FromRef, FromRequestParts, State},
     http::{request::Parts, StatusCode},
     routing::get,
@@ -71,7 +70,6 @@ async fn using_connection_pool_extractor(
 // which setup is appropriate depends on your application
 struct DatabaseConnection(PooledConnection<'static, RedisConnectionManager>);
 
-#[async_trait]
 impl<S> FromRequestParts<S> for DatabaseConnection
 where
     ConnectionPool: FromRef<S>,

examples/validator/Cargo.toml

@@ -5,7 +5,6 @@ publish = false
 version = "0.1.0"
 
 [dependencies]
-async-trait = "0.1.67"
 axum = { path = "../../axum" }
 serde = { version = "1.0", features = ["derive"] }
 thiserror = "1.0.29"

examples/validator/src/main.rs

@@ -10,7 +10,6 @@
 //! -> <h1>Hello, LT!</h1>
 //! ```
 
-use async_trait::async_trait;
 use axum::{
     extract::{rejection::FormRejection, Form, FromRequest, Request},
     http::StatusCode,
@@ -56,7 +55,6 @@ async fn handler(ValidatedForm(input): ValidatedForm<NameInput>) -> Html<String>
 #[derive(Debug, Clone, Copy, Default)]
 pub struct ValidatedForm<T>(pub T);
 
-#[async_trait]
 impl<T, S> FromRequest<S> for ValidatedForm<T>
 where
     T: DeserializeOwned + Validate,

examples/versioning/src/main.rs

@@ -5,7 +5,6 @@
 //! ```
 
 use axum::{
-    async_trait,
     extract::{FromRequestParts, Path},
     http::{request::Parts, StatusCode},
     response::{IntoResponse, Response},
@@ -47,7 +46,6 @@ enum Version {
     V3,
 }
 
-#[async_trait]
 impl<S> FromRequestParts<S> for Version
 where
     S: Send + Sync,