Scala migration-update

gistfile1.txt

% ./scala

scala> collection.mutable.Buffer(1,2,3,4) - 3
res0: scala.collection.mutable.Buffer[Int] = ArrayBuffer(1, 2, 4)

scala> List(1, 2, 3, 4).scanRight(0)(_ + _)
res1: List[Int] = List(10, 9, 7, 4, 0)


% ./scala -Xmigration

scala> collection.mutable.Buffer(1,2,3,4) - 3
res0: scala.collection.mutable.Buffer[Int] = ArrayBuffer(1, 2, 4)

scala> List(1, 2, 3, 4).scanRight(0)(_ + _)
<console>:8: warning: method scanRight in trait TraversableLike has changed semantics in version 2.9:
The behavior of `scanRight` has changed. The previous behavior can be reproduced with scanRight.reverse.
              List(1, 2, 3, 4).scanRight(0)(_ + _)
                               ^
res1: List[Int] = List(10, 9, 7, 4, 0)


% ./scala -Xmigration:2.8

scala> collection.mutable.Buffer(1,2,3,4) - 3
<console>:8: warning: method - in trait BufferLike has changed semantics in version 2.8:
`-` creates a new buffer. Use `-=` to remove an element from this buffer and return that buffer itself.
              collection.mutable.Buffer(1,2,3,4) - 3
                                                 ^
res0: scala.collection.mutable.Buffer[Int] = ArrayBuffer(1, 2, 4)

scala> List(1, 2, 3, 4).scanRight(0)(_ + _)
<console>:8: warning: method scanRight in trait TraversableLike has changed semantics in version 2.9:
The behavior of `scanRight` has changed. The previous behavior can be reproduced with scanRight.reverse.
              List(1, 2, 3, 4).scanRight(0)(_ + _)
                               ^
res1: List[Int] = List(10, 9, 7, 4, 0)


% ./scala -Xmigration:2.9

scala> collection.mutable.Buffer(1,2,3,4) - 3
res0: scala.collection.mutable.Buffer[Int] = ArrayBuffer(1, 2, 4)

scala> List(1, 2, 3, 4).scanRight(0)(_ + _)
<console>:8: warning: method scanRight in trait TraversableLike has changed semantics in version 2.9:
The behavior of `scanRight` has changed. The previous behavior can be reproduced with scanRight.reverse.
              List(1, 2, 3, 4).scanRight(0)(_ + _)
                               ^
res1: List[Int] = List(10, 9, 7, 4, 0)


% ./scala -Xmigration:2.10

scala> collection.mutable.Buffer(1,2,3,4) - 3
res0: scala.collection.mutable.Buffer[Int] = ArrayBuffer(1, 2, 4)

scala> List(1, 2, 3, 4).scanRight(0)(_ + _)
res1: List[Int] = List(10, 9, 7, 4, 0)