update examples to v4 (#258)

examples/extractors/Cargo.toml

@@ -4,6 +4,6 @@ version = "1.0.0"
 edition = "2018"
 
 [dependencies]
-actix-web = "3"
+actix-web = "4"
 serde = "1.0"
 serde_json = "1.0"

examples/extractors/src/form.rs

@@ -19,7 +19,7 @@ async fn index(form: web::Form<FormData>) -> Result<String> {
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
     HttpServer::new(|| App::new().service(index))
-        .bind("127.0.0.1:8080")?
+        .bind(("127.0.0.1", 8080))?
         .run()
         .await
 }

examples/extractors/src/json_one.rs

@@ -17,7 +17,7 @@ async fn index(info: web::Json<Info>) -> Result<String> {
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
     HttpServer::new(|| App::new().service(index))
-        .bind("127.0.0.1:8080")?
+        .bind(("127.0.0.1", 8080))?
         .run()
         .await
 }

examples/extractors/src/json_two.rs

@@ -21,7 +21,8 @@ async fn main() -> std::io::Result<()> {
             .limit(4096)
             .error_handler(|err, _req| {
                 // create custom error response
-                error::InternalError::from_response(err, HttpResponse::Conflict().finish()).into()
+                error::InternalError::from_response(err, HttpResponse::Conflict().finish())
+                    .into()
             });
 
         App::new().service(
@@ -31,7 +32,7 @@ async fn main() -> std::io::Result<()> {
                 .route(web::post().to(index)),
         )
     })
-    .bind("127.0.0.1:8080")?
+    .bind(("127.0.0.1", 8080))?
     .run()
     .await
 }

examples/extractors/src/main.rs

@@ -46,7 +46,7 @@ async fn main() -> std::io::Result<()> {
             .route("/{name}/{id}", web::post().to(index))
             .route("/{name}/{id}/extract", web::post().to(extract))
     })
-    .bind("127.0.0.1:8080")?
+    .bind(("127.0.0.1", 8080))?
     .run()
     .await
 }

examples/extractors/src/multiple.rs

@@ -8,10 +8,8 @@ struct Info {
 }
 
 #[get("/users/{user_id}/{friend}")] // <- define path parameters
-async fn index(
-    web::Path((user_id, friend)): web::Path<(u32, String)>,
-    query: web::Query<Info>,
-) -> String {
+async fn index(path: web::Path<(u32, String)>, query: web::Query<Info>) -> String {
+    let (user_id, friend) = path.into_inner();
     format!(
         "Welcome {}, friend {}, user_id {}!",
         query.username, friend, user_id
@@ -23,7 +21,7 @@ async fn main() -> std::io::Result<()> {
     use actix_web::{App, HttpServer};
 
     HttpServer::new(|| App::new().service(index))
-        .bind("127.0.0.1:8080")?
+        .bind(("127.0.0.1", 8080))?
         .run()
         .await
 }

examples/extractors/src/path_one.rs

@@ -5,7 +5,8 @@ use actix_web::{get, web, Result};
 /// {user_id} - deserializes to a u32
 /// {friend} - deserializes to a String
 #[get("/users/{user_id}/{friend}")] // <- define path parameters
-async fn index(web::Path((user_id, friend)): web::Path<(u32, String)>) -> Result<String> {
+async fn index(path: web::Path<(u32, String)>) -> Result<String> {
+    let (user_id, friend) = path.into_inner();
     Ok(format!("Welcome {}, user_id {}!", friend, user_id))
 }
 
@@ -14,7 +15,7 @@ async fn main() -> std::io::Result<()> {
     use actix_web::{App, HttpServer};
 
     HttpServer::new(|| App::new().service(index))
-        .bind("127.0.0.1:8080")?
+        .bind(("127.0.0.1", 8080))?
         .run()
         .await
 }

examples/extractors/src/path_three.rs

@@ -14,7 +14,7 @@ async fn main() -> std::io::Result<()> {
     use actix_web::{App, HttpServer};
 
     HttpServer::new(|| App::new().service(index))
-        .bind("127.0.0.1:8080")?
+        .bind(("127.0.0.1", 8080))?
         .run()
         .await
 }

examples/extractors/src/path_two.rs

@@ -22,7 +22,7 @@ async fn main() -> std::io::Result<()> {
     use actix_web::{App, HttpServer};
 
     HttpServer::new(|| App::new().service(index))
-        .bind("127.0.0.1:8080")?
+        .bind(("127.0.0.1", 8080))?
         .run()
         .await
 }

examples/extractors/src/query.rs

@@ -18,7 +18,7 @@ async fn index(info: web::Query<Info>) -> String {
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
     HttpServer::new(|| App::new().service(index))
-        .bind("127.0.0.1:8080")?
+        .bind(("127.0.0.1", 8080))?
         .run()
         .await
 }