scala.collection.mutable
trait Undoable

[source: `scala/collection/mutable/Undoable.scala`]

`` `trait` Undoable
  `extends` AnyRef

  Classes that mix in the `Undoable` class provide an operation `undo` which can be used to undo the last operation.

Author
  Matthias Zenger
Version
  1.0, 08/07/2003

Direct Known Subclasses:
  RevertableHistory

Method Summary
`abstract def` | undo : Unit Undo the last operation.

Methods inherited from AnyRef
getClass, hashCode, equals, clone, toString, notify, notifyAll, wait, wait, wait, finalize, ==, !=, eq, ne, synchronized

Methods inherited from Any
==, !=, isInstanceOf, asInstanceOf

Method Details

`abstract` `def` undo : Unit

  Undo the last operation.