---

yaml
---
r: 195260
b: refs/heads/tmp
c: 842e6cf
h: refs/heads/master
v: v3

Author: sfackler

[refs]

@@ -34,7 +34,7 @@ refs/heads/building: 126db549b038c84269a1e4fe46f051b2c15d6970
 refs/heads/beta: d8be84eb4499e21bd98a3500c8760540996df23b
 refs/heads/windistfix: 7608dbad651f02e837ed05eef3d74a6662a6e928
 refs/tags/1.0.0-alpha: e42bd6d93a1d3433c486200587f8f9e12590a4d7
-refs/heads/tmp: b82bcec7ce67a60adcc054670487fe534195f6d6
+refs/heads/tmp: 842e6cf63e632473b335cffeeaeb305c45d546fa
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f
 refs/tags/homu-tmp: 53a183f0274316596bf9405944d4f0468d8c93e4
 refs/heads/gate: 97c84447b65164731087ea82685580cc81424412

branches/tmp/src/libcore/fmt/mod.rs

@@ -692,11 +692,7 @@ impl<'a> Formatter<'a> {
     ///
     /// impl fmt::Debug for Foo {
     ///     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
-    ///         let mut builder = fmt.debug_list();
-    ///         for i in &self.0 {
-    ///             builder = builder.entry(i);
-    ///         }
-    ///         builder.finish()
+    ///         self.0.iter().fold(fmt.debug_list(), |b, e| b.entry(e)).finish()
     ///     }
     /// }
     ///
@@ -722,11 +718,7 @@ impl<'a> Formatter<'a> {
     ///
     /// impl fmt::Debug for Foo {
     ///     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
-    ///         let mut builder = fmt.debug_set();
-    ///         for i in &self.0 {
-    ///             builder = builder.entry(i);
-    ///         }
-    ///         builder.finish()
+    ///         self.0.iter().fold(fmt.debug_set(), |b, e| b.entry(e)).finish()
     ///     }
     /// }
     ///
@@ -752,11 +744,7 @@ impl<'a> Formatter<'a> {
     ///
     /// impl fmt::Debug for Foo {
     ///     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
-    ///         let mut builder = fmt.debug_map();
-    ///         for &(ref key, ref value) in &self.0 {
-    ///             builder = builder.entry(key, value);
-    ///         }
-    ///         builder.finish()
+    ///         self.0.iter().fold(fmt.debug_map(), |b, (k, v)| b.entry(k, v)).finish()
     ///     }
     /// }
     ///