chore: disallow "e" bindings

.clippy.toml

@@ -0,0 +1,3 @@
+disallowed-names = [
+    "e", # no single letter error bindings
+]

actix-web-lab/src/json.rs

@@ -262,7 +262,7 @@ impl<T: DeserializeOwned, const LIMIT: usize> Future for JsonBody<T, LIMIT> {
                 }
             },
 
-            JsonBody::Error(e) => Poll::Ready(Err(e.take().unwrap())),
+            JsonBody::Error(err) => Poll::Ready(Err(err.take().unwrap())),
         }
     }
 }

actix-web-lab/src/query.rs

@@ -101,8 +101,8 @@ impl<T: DeserializeOwned> FromRequest for Query<T> {
     fn from_request(req: &HttpRequest, _: &mut Payload) -> Self::Future {
         serde_html_form::from_str::<T>(req.query_string())
             .map(|val| ready(Ok(Query(val))))
-            .unwrap_or_else(move |e| {
-                let err = QueryPayloadError::Deserialize(e);
+            .unwrap_or_else(move |err| {
+                let err = QueryPayloadError::Deserialize(err);
 
                 debug!(
                     "Failed during Query extractor deserialization. \

actix-web-lab/src/url_encoded_form.rs

@@ -233,7 +233,7 @@ impl<T: DeserializeOwned, const LIMIT: usize> Future for UrlEncodedFormBody<T, L
                 }
             },
 
-            UrlEncodedFormBody::Error(e) => Poll::Ready(Err(e.take().unwrap())),
+            UrlEncodedFormBody::Error(err) => Poll::Ready(Err(err.take().unwrap())),
         }
     }
 }