Revert "Response: add Error storage, retrieval, conversion"

This reverts commit 6e04e91.

Author: Fishrock123

src/response.rs

@@ -15,7 +15,7 @@ use crate::headers::{
 };
 use crate::mime::Mime;
 use crate::trailers::{self, Trailers};
-use crate::{Body, Error, Extensions, StatusCode, Version};
+use crate::{Body, Extensions, StatusCode, Version};
 
 cfg_unstable! {
     use crate::upgrade;
@@ -50,7 +50,6 @@ pin_project_lite::pin_project! {
         ext: Extensions,
         local_addr: Option<String>,
         peer_addr: Option<String>,
-        error: Option<Error>,
     }
 }
 
@@ -86,7 +85,6 @@ pin_project_lite::pin_project! {
         ext: Extensions,
         local_addr: Option<String>,
         peer_addr: Option<String>,
-        error: Option<Error>,
     }
 }
 
@@ -113,7 +111,6 @@ impl Response {
             ext: Extensions::new(),
             peer_addr: None,
             local_addr: None,
-            error: None,
         }
     }
 
@@ -143,7 +140,6 @@ impl Response {
             ext: Extensions::new(),
             peer_addr: None,
             local_addr: None,
-            error: None,
         }
     }
 
@@ -473,16 +469,6 @@ impl Response {
         self.body.is_empty()
     }
 
-    /// Returns an optional reference to the `Error` if the response was created from one, or else `None`.
-    pub fn error(&self) -> Option<&Error> {
-        self.error.as_ref()
-    }
-
-    /// Takes the `Error` from the response if one exists, replacing it with `None`.
-    pub fn take_error(&mut self) -> Option<Error> {
-        self.error.take()
-    }
-
     /// Get the HTTP version, if one has been set.
     ///
     /// # Examples
@@ -655,10 +641,8 @@ impl Response {
 }
 
 impl Clone for Response {
-    /// Clone the response, with some exceptions:
-    /// - The body is resolved to `Body::empty()`.
-    /// - Any attached extensions are not cloned.
-    /// - Any attached error is not cloned.
+    /// Clone the response, resolving the body to `Body::empty()` and removing
+    /// extensions.
     fn clone(&self) -> Self {
         Self {
             status: self.status,
@@ -677,7 +661,6 @@ impl Clone for Response {
             ext: Extensions::new(),
             peer_addr: self.peer_addr.clone(),
             local_addr: self.local_addr.clone(),
-            error: None,
         }
     }
 }
@@ -750,58 +733,6 @@ impl Index<&str> for Response {
     }
 }
 
-#[cfg(not(feature = "unstable"))]
-impl From<Error> for Response {
-    /// Create a new response from an `http_types::Error`.
-    ///
-    /// This will store the error in the `Response`, allowing it to later be
-    /// checked via `Response::error()`.
-    fn from(error: Error) -> Self {
-        let (trailers_sender, trailers_receiver) = sync::channel(1);
-        Self {
-            status: error.status(),
-            headers: Headers::new(),
-            version: None,
-            body: Body::empty(),
-            trailers_sender: Some(trailers_sender),
-            trailers_receiver: Some(trailers_receiver),
-            has_trailers: false,
-            ext: Extensions::new(),
-            peer_addr: None,
-            local_addr: None,
-            error: Some(error),
-        }
-    }
-}
-
-#[cfg(feature = "unstable")]
-impl From<Error> for Response {
-    /// Create a new response from an `http_types::Error`.
-    ///
-    /// This will store the error in the `Response`, allowing it to later be
-    /// checked via `Response::error()`.
-    fn from(error: Error) -> Self {
-        let (trailers_sender, trailers_receiver) = sync::channel(1);
-        let (upgrade_sender, upgrade_receiver) = sync::channel(1);
-        Self {
-            status: error.status(),
-            headers: Headers::new(),
-            version: None,
-            body: Body::empty(),
-            trailers_sender: Some(trailers_sender),
-            trailers_receiver: Some(trailers_receiver),
-            has_trailers: false,
-            upgrade_sender: Some(upgrade_sender),
-            upgrade_receiver: Some(upgrade_receiver),
-            has_upgrade: false,
-            ext: Extensions::new(),
-            peer_addr: None,
-            local_addr: None,
-            error: Some(error),
-        }
-    }
-}
-
 impl From<StatusCode> for Response {
     fn from(s: StatusCode) -> Self {
         Response::new(s)

tests/error.rs

@@ -1,4 +1,4 @@
-use http_types::{bail, ensure, ensure_eq, Error, Response, StatusCode};
+use http_types::{bail, ensure, ensure_eq, Error, StatusCode};
 use std::io;
 
 #[test]
@@ -70,21 +70,3 @@ fn option_ext() {
     let err = res.unwrap_err();
     assert_eq!(err.status(), StatusCode::NotFound);
 }
-
-#[test]
-fn to_response() {
-    let msg = "This is an error";
-
-    let error = Error::from_str(StatusCode::NotFound, msg);
-    let mut res: Response = error.into();
-
-    assert!(res.error().is_some());
-    // Ensure we did not consume the error
-    assert!(res.error().is_some());
-
-    assert_eq!(res.error().unwrap().status(), StatusCode::NotFound);
-    assert_eq!(res.error().unwrap().to_string(), msg);
-
-    res.take_error();
-    assert!(res.error().is_none());
-}