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author | Martin Odersky <odersky@gmail.com> | 2007-01-25 13:50:44 +0000 |
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committer | Martin Odersky <odersky@gmail.com> | 2007-01-25 13:50:44 +0000 |
commit | d169735abb70d59995e3e8783cea62f876654ad4 (patch) | |
tree | 8c4f19866306d4d6b8ac0b552e61c5aa5fe1c567 /src/library | |
parent | dd50828fda67a1af2b4bdaf760d88d065fb9a45f (diff) | |
download | scala-d169735abb70d59995e3e8783cea62f876654ad4.tar.gz scala-d169735abb70d59995e3e8783cea62f876654ad4.tar.bz2 scala-d169735abb70d59995e3e8783cea62f876654ad4.zip |
fixed bugs 900,892, contrib 296.
Diffstat (limited to 'src/library')
-rw-r--r-- | src/library/scala/Array.scala | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/src/library/scala/Array.scala b/src/library/scala/Array.scala index dd253ab658..b8b6d1fe4c 100644 --- a/src/library/scala/Array.scala +++ b/src/library/scala/Array.scala @@ -157,14 +157,29 @@ object Array { array } - /** This method is called in a pattern match { case Array(...) => }. + /** Create an array containing several copies of an element. + * + * @param n the length of the resulting array + * @param elem the element composing the resulting array + * @return an array composed of n elements all equal to elem + */ + def make[a](n: Int, elem: a): List[a] = { + val a = new Array[a] + var i = 0 + while (i < n) { + a(i) = elem + i = i + 1 + } + a + } + + /** This method is called in a pattern match { case Array(...) => }. * * @param x the selector value * @return array wrapped in an option, if this is a Seq, otherwise none */ def unapplySeq[A](x: Any): Option[Seq[A]] = if (x.isInstanceOf[Array[A]]) Some(x.asInstanceOf[Array[A]]) else None - } /** This class represents polymorphic arrays. It is never instantiated. |