the value before the modification
A change is significant if before != now
Constructs a new change where before and now are individually mapped by a function.
Constructs a new change where the tuple (before, now) is mapped into a new tuple.
the value after the modification
Constructs a new change where before and now are swapped.
Wraps this Change in an Option depending on its significance.
Wraps this Change in an Option depending on its significance.
if isSignificant is true, returns a Some, otherwise None
Converts the change into a Tuple2 consisting of _1 = before and _2 = now
Unzips a change whose elements are of type Tuple2 into two separate changes.
Zips two changes into one change with before and now being tupled.
Value based events fire instances of
Changewhich provides the value before and after modification.the value before the modification
the value after the modification