---

yaml
---
r: 178411
b: refs/heads/try
c: f88c94d
h: refs/heads/master
i:
  178409: 1f040e1
  178407: 273cc8d
v: v3

Author: Ms2ger

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: 336c8d2e9c6b276b162bdb3edd43706372e6eddd
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 474b324eda10440d6568ef872a7307d38e7de95b
-refs/heads/try: d0a9a39b1eb6a5fd152332392b7c4b1cd08a92c6
+refs/heads/try: f88c94d8d2c74402d6f72607a47c4850dcdf3b4d
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596

branches/try/src/libsyntax/ast_util.rs

@@ -670,20 +670,13 @@ pub fn path_name_eq(a : &ast::Path, b : &ast::Path) -> bool {
 
 // are two arrays of segments equal when compared unhygienically?
 pub fn segments_name_eq(a : &[ast::PathSegment], b : &[ast::PathSegment]) -> bool {
-    if a.len() != b.len() {
-        false
-    } else {
-        for (idx,seg) in a.iter().enumerate() {
-            if seg.identifier.name != b[idx].identifier.name
-                // FIXME #7743: ident -> name problems in lifetime comparison?
-                // can types contain idents?
-                || seg.parameters != b[idx].parameters
-            {
-                return false;
-            }
-        }
-        true
-    }
+    a.len() == b.len() &&
+    a.iter().zip(b.iter()).all(|(s, t)| {
+        s.identifier.name == t.identifier.name &&
+        // FIXME #7743: ident -> name problems in lifetime comparison?
+        // can types contain idents?
+        s.parameters == t.parameters
+    })
 }
 
 /// Returns true if this literal is a string and false otherwise.