replace hashbrown with std hashmap

src/middleware/errhandlers.rs

@@ -4,7 +4,7 @@ use std::task::{Context, Poll};
 
 use actix_service::{Service, Transform};
 use futures::future::{ok, FutureExt, LocalBoxFuture, Ready};
-use hashbrown::HashMap;
+use fxhash::FxHashMap;
 
 use crate::dev::{ServiceRequest, ServiceResponse};
 use crate::error::{Error, Result};
@@ -52,13 +52,13 @@ type ErrorHandler<B> = dyn Fn(ServiceResponse<B>) -> Result<ErrorHandlerResponse
 /// # }
 /// ```
 pub struct ErrorHandlers<B> {
-    handlers: Rc<HashMap<StatusCode, Box<ErrorHandler<B>>>>,
+    handlers: Rc<FxHashMap<StatusCode, Box<ErrorHandler<B>>>>,
 }
 
 impl<B> Default for ErrorHandlers<B> {
     fn default() -> Self {
         ErrorHandlers {
-            handlers: Rc::new(HashMap::new()),
+            handlers: Rc::new(FxHashMap::default()),
         }
     }
 }
@@ -105,7 +105,7 @@ where
 #[doc(hidden)]
 pub struct ErrorHandlersMiddleware<S, B> {
     service: S,
-    handlers: Rc<HashMap<StatusCode, Box<ErrorHandler<B>>>>,
+    handlers: Rc<FxHashMap<StatusCode, Box<ErrorHandler<B>>>>,
 }
 
 impl<S, B> Service for ErrorHandlersMiddleware<S, B>

src/rmap.rs

@@ -2,7 +2,7 @@ use std::cell::RefCell;
 use std::rc::Rc;
 
 use actix_router::ResourceDef;
-use hashbrown::HashMap;
+use fxhash::FxHashMap;
 use url::Url;
 
 use crate::error::UrlGenerationError;
@@ -12,7 +12,7 @@ use crate::request::HttpRequest;
 pub struct ResourceMap {
     root: ResourceDef,
     parent: RefCell<Option<Rc<ResourceMap>>>,
-    named: HashMap<String, ResourceDef>,
+    named: FxHashMap<String, ResourceDef>,
     patterns: Vec<(ResourceDef, Option<Rc<ResourceMap>>)>,
 }
 
@@ -21,7 +21,7 @@ impl ResourceMap {
         ResourceMap {
             root,
             parent: RefCell::new(None),
-            named: HashMap::new(),
+            named: FxHashMap::default(),
             patterns: Vec::new(),
         }
     }