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Improve module docs for error handler middleware (#2543)

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Mark Lodato 2021-12-24 21:35:19 -05:00 committed by GitHub
parent 01cbfc5724
commit 34e5c7c799
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1 changed files with 10 additions and 16 deletions
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src/middleware/err_handlers.rs
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@ -37,27 +37,21 @@ type ErrorHandler<B> = dyn Fn(ServiceResponse<B>) -> Result<ErrorHandlerResponse
/// ///
/// # Examples /// # Examples
/// ``` /// ```
/// use actix_web::middleware::{ErrorHandlers, ErrorHandlerResponse}; /// use actix_web::http::{header, StatusCode};
/// use actix_web::{web, dev, App, HttpRequest, HttpResponse, Result}; /// use actix_web::middleware::{ErrorHandlerResponse, ErrorHandlers};
/// use actix_web::http::{StatusCode, header}; /// use actix_web::{dev, web, App, HttpResponse, Result};
///
/// fn render_500<B>(mut res: dev::ServiceResponse<B>) -> Result<ErrorHandlerResponse<B>> {
/// res.response_mut()
/// .headers_mut()
/// .insert(header::CONTENT_TYPE, header::HeaderValue::from_static("Error"));
/// ///
/// fn add_error_header<B>(mut res: dev::ServiceResponse<B>) -> Result<ErrorHandlerResponse<B>> {
/// res.response_mut().headers_mut().insert(
/// header::CONTENT_TYPE,
/// header::HeaderValue::from_static("Error"),
/// );
/// Ok(ErrorHandlerResponse::Response(res.map_into_left_body())) /// Ok(ErrorHandlerResponse::Response(res.map_into_left_body()))
/// } /// }
/// ///
/// let app = App::new() /// let app = App::new()
/// .wrap( /// .wrap(ErrorHandlers::new().handler(StatusCode::INTERNAL_SERVER_ERROR, add_error_header))
/// ErrorHandlers::new() /// .service(web::resource("/").route(web::get().to(HttpResponse::InternalServerError)));
/// .handler(StatusCode::INTERNAL_SERVER_ERROR, render_500),
/// )
/// .service(web::resource("/test")
/// .route(web::get().to(|| HttpResponse::Ok()))
/// .route(web::head().to(|| HttpResponse::MethodNotAllowed())
/// ));
/// ``` /// ```
pub struct ErrorHandlers<B> { pub struct ErrorHandlers<B> {
handlers: Handlers<B>, handlers: Handlers<B>,