Use more async/await (#70)

* Use more async/await

- Change some bare `Future` into `Future<void>` to make sure we aren't
  silently passing state where we don't expect.
- Change some methods with `.then` calls inside to `async`.

* Add another await
7 files changed
tree: 061397f15ce34183df3b04930bbfa2ef88d52ed5
  1. .gitignore
  2. .test_config
  3. .travis.yml
  4. CHANGELOG.md
  5. LICENSE
  6. README.md
  7. analysis_options.yaml
  8. benchmark/
  9. codereview.settings
  10. example/
  11. lib/
  12. pubspec.yaml
  13. test/
README.md

A file system watcher.

It monitors changes to contents of directories and sends notifications when files have been added, removed, or modified.