kotlin_flavor
Are you Android-app engineer, and eager to use scope functions also in Dart?
Yes, kotlin_flavor/scope_functions provides it for you! :)
import 'package:kotlin_flavor/scope_functions.dart'
bool handle(Shop selectedShop) {
  return selectedShop?.let((shop) {
    navigateTo(shop.location);
    return true;
  }) ?? run(() {
    navigateToDefaultPosition();
    return false;
  });
}
kotlin_flavor/scope_functions
let
Often used for executing a code block only with non-null values.
someNullable?.let((it) { ... });
also
Used for additional actions that don't alter the object, such as logging or printing debug information.
something.also((it) { ... }); // returns something.
run
Used for evaluating a block of several statements where an expression is required.
someNullable ?? run(() {
  var defaultValue = ......;
  // several process...
  return defaultValue;
});
Development
$ docker-compose pull
$ docker-compose run --rm dart
will build a Dart development environment for you.
Ensure all test successfully pass, every after you change some codes:
$ pub run test