use env_logger builders in examples

examples/on_connect.rs

@@ -4,7 +4,7 @@
 //! For an example of extracting a client TLS certificate, see:
 //! <https://github.com/actix/examples/tree/HEAD/rustls-client-cert>
 
-use std::{any::Any, env, io, net::SocketAddr};
+use std::{any::Any, io, net::SocketAddr};
 
 use actix_web::{dev::Extensions, rt::net::TcpStream, web, App, HttpServer};
 
@@ -36,11 +36,7 @@ fn get_conn_info(connection: &dyn Any, data: &mut Extensions) {
 
 #[actix_web::main]
 async fn main() -> io::Result<()> {
-    if env::var("RUST_LOG").is_err() {
-        env::set_var("RUST_LOG", "info");
-    }
-
-    env_logger::init();
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
 
     HttpServer::new(|| App::new().default_service(web::to(route_whoami)))
         .on_connect(get_conn_info)

examples/uds.rs

@@ -22,8 +22,7 @@ async fn no_params() -> &'static str {
 #[cfg(unix)]
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
-    std::env::set_var("RUST_LOG", "actix_server=info,actix_web=info");
-    env_logger::init();
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
 
     HttpServer::new(|| {
         App::new()

src/service.rs

@@ -417,7 +417,7 @@ impl<B> ServiceResponse<B> {
 }
 
 impl<B> From<ServiceResponse<B>> for Response<B> {
-    fn into(res: ServiceResponse<B>) -> Response<B> {
+    fn from(res: ServiceResponse<B>) -> Response<B> {
         res.response
     }
 }

src/types/either.rs

@@ -126,7 +126,7 @@ where
     A: Into<Error>,
     B: Into<Error>,
 {
-    fn into(err: EitherExtractError<A, B>) -> Error {
+    fn from(err: EitherExtractError<A, B>) -> Error {
         match err {
             EitherExtractError::Bytes(err) => err,
             EitherExtractError::Extract(a_err, _b_err) => a_err.into(),