diff options
| -rw-r--r-- | src/library/scala/List.scala | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/src/library/scala/List.scala b/src/library/scala/List.scala index e03f39bc63..1d4716d4a4 100644 --- a/src/library/scala/List.scala +++ b/src/library/scala/List.scala @@ -787,11 +787,14 @@ sealed abstract class List[+a] extends Seq[a] { smaller match { case Nil => acc - case List(x) => + //case List(x) => + case x :: Nil => x::acc - case List(x, y) => + //case List(x, y) => + case x :: y :: Nil => if (lt(x, y)) x::(y::acc) else y::x::acc - case List(x, y, z) => + //case List(x, y, z) => + case x :: y :: z :: Nil => if (lt(x, y)) { if (lt(y, z)) x::y::z::acc else if (lt(x, z)) x::z::y::acc @@ -808,11 +811,14 @@ sealed abstract class List[+a] extends Seq[a] { this match { case Nil => this - case List(x) => +// case List(x) => + case x :: Nil => this - case List(x, y) => +// case List(x, y) => + case x::y::Nil => if (lt(x, y)) this else y::x::Nil - case List(x, y, z) => +// case List(x, y, z) => + case x::y::z::Nil => if (lt(x, y)) { if (lt(y, z)) this else if (lt(x, z)) x::z::y::Nil |