Iterator.collect method (#916)

1 files changed, 11 insertions, 1 deletions

diff --git a/src/library/scala/Iterator.scala b/src/library/scala/Iterator.scala
index fe57853d4f..517664cdfc 100644
--- a/src/library/scala/Iterator.scala
+++ b/src/library/scala/Iterator.scala
@@ -13,7 +13,7 @@ package scala
 
 
 import Predef._
-import collection.mutable.{Buffer, ListBuffer}
+import collection.mutable.{Buffer, ListBuffer, ArrayBuffer}
 
 /** The <code>Iterator</code> object provides various functions for
  *  creating specialized iterators.
@@ -678,6 +678,16 @@ trait Iterator[+A] {
     res.toList
   }
 
+  /** Collect elements into a seq.
+   *
+   * @return  a seq which enumerates all elements of this iterator.
+   */
+  def collect: Seq[A] = {
+    val buffer = new ArrayBuffer[A]
+    this copyToBuffer buffer
+    buffer.readOnly
+  }
+
   /** Returns a string representation of the elements in this iterator. The resulting string
    *  begins with the string <code>start</code> and is finished by the string
    *  <code>end</code>. Inside, the string representations of elements (w.r.t.