UndoState
semagrams.util.UndoState
The internal state of an UndoableVar, implemented as a cursor into a list.
Attributes
- future
states that we have undone (for redo). This goes away once you start editing from a state in the past; we don't have undo trees yet.
- past
previous states (for undoing)
- present
current state
- recording
indicator for whether we should record updates or not
- Graph
- Supertypes
- trait Serializabletrait Producttrait Equalsclass Objecttrait Matchableclass Any