Clone this repo:
  1. 22e502b CI: Test on dev branch (#131) by Kevin Moore · 2 weeks ago master 2.5.0-nullsafety
  2. 9c57459 restore dev_dependencies and overrides of those (#130) by Jacob MacDonald · 2 weeks ago
  3. 128c461 update for the 2.10 dev sdk (#129) by Jacob MacDonald · 3 weeks ago
  4. 1755e24 add tests for .then with a nullable T (#128) by Jacob MacDonald · 3 weeks ago
  5. 6b90f45 Fix error in CancelableOperation.then (#127) by William Hesse · 3 weeks ago

Contains utility classes in the style of dart:async to work with asynchronous computations.