Final fixes before requesting review.

examples/errors/src/helpers.rs

@@ -1,13 +1,13 @@
 use actix_web::{web, App};
 // <helpers>
-use actix_web::{error, HttpRequest, Result};
+use actix_web::{error, Result};
 
 #[derive(Debug)]
 struct MyError {
     name: &'static str,
 }
 
-pub fn index(_req: HttpRequest) -> Result<&'static str> {
+pub fn index() -> Result<&'static str> {
     let result: Result<&'static str, MyError> = Err(MyError { name: "test error" });
 
     Ok(result.map_err(|e| error::ErrorBadRequest(e.name))?)

examples/errors/src/main.rs

@@ -16,7 +16,7 @@ pub struct MyError {
 // Use default implementation for `error_response()` method
 impl error::ResponseError for MyError {}
 
-fn index(_req: HttpRequest) -> Result<&'static str, MyError> {
+fn index() -> Result<&'static str, MyError> {
     Err(MyError { name: "test" })
 }
 // </response-error>

examples/errors/src/override_error.rs

@@ -1,6 +1,6 @@
 use actix_web::{web, App};
 // <override>
-use actix_web::{error, http, HttpRequest, HttpResponse};
+use actix_web::{error, http, HttpResponse};
 use failure::Fail;
 
 #[derive(Fail, Debug)]
@@ -25,16 +25,16 @@ impl error::ResponseError for MyError {
     }
 }
 
-fn index(_req: HttpRequest) -> Result<&'static str, MyError> {
+fn index() -> Result<&'static str, MyError> {
     Err(MyError::BadClientData)
 }
 // </override>
 
-fn error2(_req: HttpRequest) -> Result<&'static str, MyError> {
+fn error2() -> Result<&'static str, MyError> {
     Err(MyError::InternalError)
 }
 
-fn error3(_req: HttpRequest) -> Result<&'static str, MyError> {
+fn error3() -> Result<&'static str, MyError> {
     Err(MyError::Timeout)
 }