"matchit" based router (#363)

* "matchit" based router

* Update changelog

* Remove dependency on `regex`

* Docs

* Fix typos

* Also mention route order in root module docs

* Update CHANGELOG.md

Co-authored-by: Jonas Platte <[email protected]>

* Document that `/:key` and `/foo` overlaps

* Provide good error message for wildcards in routes

* minor clean ups

* Make `Router` cheaper to clone

* Ensure middleware still only applies to routes above

* Remove call to issues from changelog

We're aware of the short coming :)

* Fix tests on 1.51

Co-authored-by: Jonas Platte <[email protected]>

src/routing/or.rs

@@ -50,14 +50,11 @@ where
     }
 
     fn call(&mut self, req: Request<ReqBody>) -> Self::Future {
-        let original_uri = req.uri().clone();
-
         ResponseFuture {
             state: State::FirstFuture {
                 f: self.first.clone().oneshot(req),
             },
             second: Some(self.second.clone()),
-            original_uri: Some(original_uri),
         }
     }
 }
@@ -72,9 +69,6 @@ pin_project! {
         #[pin]
         state: State<A, B, ReqBody>,
         second: Option<B>,
-        // Some services, namely `Nested`, mutates the request URI so we must
-        // restore it to its original state before calling `second`
-        original_uri: Option<http::Uri>,
     }
 }
 
@@ -109,7 +103,7 @@ where
                 StateProj::FirstFuture { f } => {
                     let mut response = ready!(f.poll(cx)?);
 
-                    let mut req = if let Some(ext) = response
+                    let req = if let Some(ext) = response
                         .extensions_mut()
                         .remove::<FromEmptyRouter<ReqBody>>()
                     {
@@ -118,8 +112,6 @@ where
                         return Poll::Ready(Ok(response));
                     };
 
-                    *req.uri_mut() = this.original_uri.take().unwrap();
-
                     let second = this.second.take().expect("future polled after completion");
 
                     State::SecondFuture {