How to create a static extension method in Dart?

Question

I\'m trying to create a static extension method on one of my classes (which is autogenerated, so I can\'t easily modify it). According to the docs, this should be possi

Answer 1

As James mentioned, you can't use the static method directly on the extended class as of today, the current solution to your problem would be:

extension Foo on String {
  String foo() => 'foo!';
}

void main() {
  print('Hi'.foo());
}