Add @override annotations (#108)

Makes it easier to understand how a class behaves when it is explicit
where it is overriding something from a parent class.

Enable the lint and fix violations.
19 files changed
tree: 38a4d748be97d9c30f0f35eb0119fd6f2fd0f678
  1. .gitignore
  2. .test_config
  3. .travis.yml
  7. analysis_options.yaml
  8. codereview.settings
  9. lib/
  10. pubspec.yaml
  11. test/

Support for specifying test expectations, such as for unit tests.

The matcher library provides a third-generation assertion mechanism, drawing inspiration from Hamcrest.

For more information, see Unit Testing with Dart.