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author | Iulian Dragos <jaguarul@gmail.com> | 2007-11-13 15:28:33 +0000 |
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committer | Iulian Dragos <jaguarul@gmail.com> | 2007-11-13 15:28:33 +0000 |
commit | 35c966b024039908def95ea9a2a5091cf16419bb (patch) | |
tree | e3b08d473619cb08750431db5eebb54087b70165 /src/library | |
parent | 768a93028f62b1ed817c12ea16b2c40b960915e4 (diff) | |
download | scala-35c966b024039908def95ea9a2a5091cf16419bb.tar.gz scala-35c966b024039908def95ea9a2a5091cf16419bb.tar.bz2 scala-35c966b024039908def95ea9a2a5091cf16419bb.zip |
Fixed ticket #190.
Diffstat (limited to 'src/library')
-rw-r--r-- | src/library/scala/Stream.scala | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/library/scala/Stream.scala b/src/library/scala/Stream.scala index 034c9aa70f..fb8f5e92bd 100644 --- a/src/library/scala/Stream.scala +++ b/src/library/scala/Stream.scala @@ -154,6 +154,23 @@ object Stream { * @return the stream starting at value <code>start</code>. */ def from(start: Int): Stream[Int] = from(start, 1) + + /** + * Create an infinite stream containing the given element. + * + * @param elem the element composing the resulting stream + * @return the stream containing an inifinite number of elem + */ + def const[A](elem: A): Stream[A] = cons(elem, const(elem)) + + /** Create a stream containing several copies of an element. + * + * @param n the length of the resulting stream + * @param elem the element composing the resulting stream + * @return the stream composed of n elements all equal to elem + */ + def make[A](n: Int, elem: A): Stream[A] = + Stream.const(elem).take(n) } /** |