---

yaml
---
r: 160028
b: refs/heads/try
c: 064e84e
h: refs/heads/master
v: v3

Author: brendanzab

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: e09d98603e608c9e47d4c89f7b4dca87a4b56da3
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 9c96a79a74f10bed18b031ce0ac4126c56d6cfb3
-refs/heads/try: de938b6ca1a2b6b6df65d5935c765a7c25fbce84
+refs/heads/try: 064e84e30be101a43d0bca5718b5d10def23745b
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596

branches/try/src/librustdoc/stability_summary.rs

@@ -120,15 +120,19 @@ fn summarize_methods(item: &Item) -> Counts {
     match cache_key.get().unwrap().impls.get(&item.def_id) {
         Some(v) => {
             v.iter().map(|i| {
-                let mut count = count_stability(i.stability.as_ref());
+                let count = count_stability(i.stability.as_ref());
                 if i.impl_.trait_.is_none() {
-                    count = count +
-                        i.impl_.items.iter().map(|ti| summarize_item(ti).0).sum();
+                    count + i.impl_.items.iter()
+                        .map(|ti| summarize_item(ti).0)
+                        .fold(Counts::zero(), |acc, c| acc + c)
+                } else {
+                    count
                 }
-                count
-            }).sum()
-        }
-        None    => Zero::zero()
+            }).fold(Counts::zero(), |acc, c| acc + c)
+        },
+        None => {
+            Counts::zero()
+        },
     }
 }