rename .to_async() to .to()

src/types/form.rs

@@ -181,7 +181,7 @@ impl<T: Serialize> Responder for Form<T> {
 ///
 /// /// Extract form data using serde.
 /// /// Custom configuration is used for this handler, max payload size is 4k
-/// fn index(form: web::Form<FormData>) -> Result<String> {
+/// async fn index(form: web::Form<FormData>) -> Result<String> {
 ///     Ok(format!("Welcome {}!", form.username))
 /// }
 ///

src/types/json.rs

@@ -46,7 +46,7 @@ use crate::responder::Responder;
 /// }
 ///
 /// /// deserialize `Info` from request's body
-/// fn index(info: web::Json<Info>) -> String {
+/// async fn index(info: web::Json<Info>) -> String {
 ///     format!("Welcome {}!", info.username)
 /// }
 ///
@@ -157,7 +157,7 @@ impl<T: Serialize> Responder for Json<T> {
 /// }
 ///
 /// /// deserialize `Info` from request's body
-/// fn index(info: web::Json<Info>) -> String {
+/// async fn index(info: web::Json<Info>) -> String {
 ///     format!("Welcome {}!", info.username)
 /// }
 ///
@@ -217,7 +217,7 @@ where
 /// }
 ///
 /// /// deserialize `Info` from request's body, max payload size is 4kb
-/// fn index(info: web::Json<Info>) -> String {
+/// async fn index(info: web::Json<Info>) -> String {
 ///     format!("Welcome {}!", info.username)
 /// }
 ///

src/types/path.rs

@@ -24,7 +24,7 @@ use crate::FromRequest;
 /// /// extract path info from "/{username}/{count}/index.html" url
 /// /// {username} - deserializes to a String
 /// /// {count} -  - deserializes to a u32
-/// fn index(info: web::Path<(String, u32)>) -> String {
+/// async fn index(info: web::Path<(String, u32)>) -> String {
 ///     format!("Welcome {}! {}", info.0, info.1)
 /// }
 ///
@@ -49,7 +49,7 @@ use crate::FromRequest;
 /// }
 ///
 /// /// extract `Info` from a path using serde
-/// fn index(info: web::Path<Info>) -> Result<String, Error> {
+/// async fn index(info: web::Path<Info>) -> Result<String, Error> {
 ///     Ok(format!("Welcome {}!", info.username))
 /// }
 ///
@@ -119,7 +119,7 @@ impl<T: fmt::Display> fmt::Display for Path<T> {
 /// /// extract path info from "/{username}/{count}/index.html" url
 /// /// {username} - deserializes to a String
 /// /// {count} -  - deserializes to a u32
-/// fn index(info: web::Path<(String, u32)>) -> String {
+/// async fn index(info: web::Path<(String, u32)>) -> String {
 ///     format!("Welcome {}! {}", info.0, info.1)
 /// }
 ///
@@ -144,7 +144,7 @@ impl<T: fmt::Display> fmt::Display for Path<T> {
 /// }
 ///
 /// /// extract `Info` from a path using serde
-/// fn index(info: web::Path<Info>) -> Result<String, Error> {
+/// async fn index(info: web::Path<Info>) -> Result<String, Error> {
 ///     Ok(format!("Welcome {}!", info.username))
 /// }
 ///
@@ -206,7 +206,7 @@ where
 /// }
 ///
 /// // deserialize `Info` from request's path
-/// fn index(folder: web::Path<Folder>) -> String {
+/// async fn index(folder: web::Path<Folder>) -> String {
 ///     format!("Selected folder: {:?}!", folder)
 /// }
 ///

src/types/payload.rs

@@ -40,7 +40,7 @@ use crate::request::HttpRequest;
 /// fn main() {
 ///     let app = App::new().service(
 ///         web::resource("/index.html").route(
-///             web::get().to_async(index))
+///             web::get().to(index))
 ///     );
 /// }
 /// ```
@@ -88,7 +88,7 @@ impl Stream for Payload {
 /// fn main() {
 ///     let app = App::new().service(
 ///         web::resource("/index.html").route(
-///             web::get().to_async(index))
+///             web::get().to(index))
 ///     );
 /// }
 /// ```
@@ -117,7 +117,7 @@ impl FromRequest for Payload {
 /// use actix_web::{web, App};
 ///
 /// /// extract binary data from request
-/// fn index(body: Bytes) -> String {
+/// async fn index(body: Bytes) -> String {
 ///     format!("Body {:?}!", body)
 /// }
 ///
@@ -169,7 +169,7 @@ impl FromRequest for Bytes {
 /// use actix_web::{web, App, FromRequest};
 ///
 /// /// extract text data from request
-/// fn index(text: String) -> String {
+/// async fn index(text: String) -> String {
 ///     format!("Body {}!", text)
 /// }
 ///

src/types/query.rs

@@ -40,7 +40,7 @@ use crate::request::HttpRequest;
 /// // Use `Query` extractor for query information (and destructure it within the signature).
 /// // This handler gets called only if the request's query string contains a `username` field.
 /// // The correct request for this handler would be `/index.html?id=64&response_type=Code"`.
-/// fn index(web::Query(info): web::Query<AuthRequest>) -> String {
+/// async fn index(web::Query(info): web::Query<AuthRequest>) -> String {
 ///     format!("Authorization request for client with id={} and type={:?}!", info.id, info.response_type)
 /// }
 ///
@@ -118,7 +118,7 @@ impl<T: fmt::Display> fmt::Display for Query<T> {
 /// // Use `Query` extractor for query information.
 /// // This handler get called only if request's query contains `username` field
 /// // The correct request for this handler would be `/index.html?id=64&response_type=Code"`
-/// fn index(info: web::Query<AuthRequest>) -> String {
+/// async fn index(info: web::Query<AuthRequest>) -> String {
 ///     format!("Authorization request for client with id={} and type={:?}!", info.id, info.response_type)
 /// }
 ///
@@ -179,7 +179,7 @@ where
 /// }
 ///
 /// /// deserialize `Info` from request's querystring
-/// fn index(info: web::Query<Info>) -> String {
+/// async fn index(info: web::Query<Info>) -> String {
 ///     format!("Welcome {}!", info.username)
 /// }
 ///