feat: Add router bench for guard check failures

actix-router/benches/router.rs

@@ -1,6 +1,6 @@
 //! Based on https://github.com/ibraheemdev/matchit/blob/master/benches/bench.rs
 
-use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use criterion::{black_box, Criterion, criterion_group, criterion_main};
 
 macro_rules! register {
     (colon) => {{
@@ -150,7 +150,7 @@ macro_rules! register {
     }};
 }
 
-fn call() -> impl Iterator<Item = &'static str> {
+fn call() -> impl Iterator<Item=&'static str> {
     let arr = [
         "/authorizations",
         "/user/repos",
@@ -179,6 +179,15 @@ fn compare_routers(c: &mut Criterion) {
         });
     });
 
+    group.bench_function("actix_guard_failures", |b| {
+        b.iter(|| {
+            for route in call() {
+                let mut path = actix_router::Path::new(route);
+                black_box(actix.recognize_fn(&mut path, |_, _| false));
+            }
+        });
+    });
+
     let regex_set = regex::RegexSet::new(register!(regex)).unwrap();
     group.bench_function("regex", |b| {
         b.iter(|| {

actix-router/src/router.rs

@@ -52,18 +52,18 @@ impl<T, U> Router<T, U> {
         R: Resource,
         F: FnMut(&R, &U) -> bool,
     {
-        let mut matches = 0;
+        let mut next_match_count = 1;
         for (rdef, val, ctx) in self.routes.iter() {
             match rdef.capture_match_info(resource) {
                 None => {}
                 Some(match_info) => {
-                    matches += 1;
                     if check_fn(resource, ctx) {
                         rdef.resolve_resource(resource, match_info);
                         return Some((val, ResourceId(rdef.id())));
-                    } else if matches == self.max_path_conflicts {
+                    } else if next_match_count == self.max_path_conflicts {
                         return None;
                     }
+                    next_match_count += 1;
                 }
             }
         }