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
Change
which provides the value before and after modification.the value before the modification
the value after the modification