---

yaml
---
r: 80719
b: refs/heads/try
c: 653400a
h: refs/heads/master
i:
  80717: d5e9aaf
  80715: a216f64
  80711: cf6b632
  80703: 95d44ba
v: v3

Author: erickt

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: 4c6bf4872012c010f84dc7fa2cdfe87522533f89
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: cbd1eefbd350797b783df119fed7956d7e1c74ad
-refs/heads/try: 45c62c08f9740dfcdf64c64c8b183acfc22fb3d6
+refs/heads/try: 653400a7f0567ed1697ea9181132f7aaca5b2aae
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c

branches/try/src/libstd/hashmap.rs

@@ -18,6 +18,7 @@
 use container::{Container, Mutable, Map, MutableMap, Set, MutableSet};
 use clone::Clone;
 use cmp::{Eq, Equiv};
+use default::Default;
 use hash::Hash;
 use iter::{Iterator, FromIterator, Extendable};
 use iter::{FilterMap, Chain, Repeat, Zip};
@@ -622,6 +623,10 @@ impl<K: Eq + Hash, V> Extendable<(K, V)> for HashMap<K, V> {
     }
 }
 
+impl<K: Eq + Hash, V> Default for HashMap<K, V> {
+    fn default() -> HashMap<K, V> { HashMap::new() }
+}
+
 /// An implementation of a hash set using the underlying representation of a
 /// HashMap where the value is (). As with the `HashMap` type, a `HashSet`
 /// requires that the elements implement the `Eq` and `Hash` traits.
@@ -770,6 +775,10 @@ impl<K: Eq + Hash> Extendable<K> for HashSet<K> {
     }
 }
 
+impl<K: Eq + Hash> Default for HashSet<K> {
+    fn default() -> HashSet<K> { HashSet::new() }
+}
+
 // `Repeat` is used to feed the filter closure an explicit capture
 // of a reference to the other set
 /// Set operations iterator