Remove unused dart:async imports. (#101) As of Dart 2.1, Future/Stream have been exported from dart:core. More information: go/dart-lsc-remove-unused-async-imports
Support for detecting and being notified when an object is mutated.
An observable is a way to be notified of a continuous stream of events over time.
Some suggested uses for this library:
You may want to look at the former TC39 proposal Observe.observe, which was deprecated.
There are two general ways to detect changes:
Observable.changes and be notified when an object changesDiffer.diff to determine changes between two objects