From c3bddc74e4c54a6700b98b9b0bb17f4897e7972d Mon Sep 17 00:00:00 2001
From: Paul Phillips <paulp@improving.org>
Date: Wed, 3 Jun 2009 20:38:24 +0000
Subject: Added the much clamored for toSet to Traversable.

performance love, but then it has a lot of company in that regard.
---
 src/library/scala/collection/generic/TraversableTemplate.scala | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/library')

diff --git a/src/library/scala/collection/generic/TraversableTemplate.scala b/src/library/scala/collection/generic/TraversableTemplate.scala
index 09396ef3dc..f7b6dcc740 100644
--- a/src/library/scala/collection/generic/TraversableTemplate.scala
+++ b/src/library/scala/collection/generic/TraversableTemplate.scala
@@ -673,6 +673,10 @@ self =>
    */
   def toStream: Stream[A] = toList.toStream
 
+  /** Returns a set with all unique elements in this traversable object.
+   */
+  def toSet[B >: A]: Set[B] = Set() ++ thisCollection
+
   /** Sort the traversable according to the comparison function
    *  <code>&lt;(e1: a, e2: a) =&gt; Boolean</code>,
    *  which should be true iff <code>e1</code> is smaller than
-- 
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