From cb35c38f14f6a53c38966bde8e64dcfa9af17918 Mon Sep 17 00:00:00 2001
From: Paul Phillips <paulp@improving.org>
Date: Thu, 6 May 2010 14:57:56 +0000
Subject: Fixed bug in transpose, closes #3397, no review.

---
 src/library/scala/collection/generic/GenericTraversableTemplate.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/library')

diff --git a/src/library/scala/collection/generic/GenericTraversableTemplate.scala b/src/library/scala/collection/generic/GenericTraversableTemplate.scala
index ecbfa8c20c..263e1902a0 100644
--- a/src/library/scala/collection/generic/GenericTraversableTemplate.scala
+++ b/src/library/scala/collection/generic/GenericTraversableTemplate.scala
@@ -108,7 +108,7 @@ trait GenericTraversableTemplate[+A, +CC[X] <: Traversable[X]] extends HasNewBui
    *          the ''n''th column of this $coll.
    */
   def transpose[B](implicit asTraversable: A => /*<:<!!!*/ Traversable[B]): CC[CC[B] @uncheckedVariance] = {
-    val bs: IndexedSeq[Builder[B, CC[B]]] = asTraversable(head).map(_ => genericBuilder[B]).toIndexedSeq
+    val bs: IndexedSeq[Builder[B, CC[B]]] = IndexedSeq.fill(asTraversable(head).size)(genericBuilder[B])
     for (xs <- this) {
       var i = 0
       for (x <- asTraversable(xs)) {
-- 
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