From 98900d55e7f08a4b4cb665152a01b0bbf655baae Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Fri, 15 Mar 2013 21:03:29 -0400
Subject: [PATCH] add constructor to TrieSet (was missing)

---
 src/libcore/trie.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/libcore/trie.rs b/src/libcore/trie.rs
index 966db4ec6620..d6dcad334085 100644
--- a/src/libcore/trie.rs
+++ b/src/libcore/trie.rs
@@ -137,6 +137,7 @@ impl<T> Map<uint, T> for TrieMap<T> {
 }
 
 impl<T> TrieMap<T> {
+    /// Create an empty TrieMap
     #[inline(always)]
     static pure fn new() -> TrieMap<T> {
         TrieMap{root: TrieNode::new(), length: 0}
@@ -191,6 +192,12 @@ impl Mutable for TrieSet {
 }
 
 impl TrieSet {
+    /// Create an empty TrieSet
+    #[inline(always)]
+    static pure fn new() -> TrieSet {
+        TrieSet{map: TrieMap::new()}
+    }
+
     /// Return true if the set contains a value
     #[inline(always)]
     pure fn contains(&self, value: &uint) -> bool {