[dart] extension method

gistfile1.txt

extension MyExtension on int {
  String extensionMethod() {
    print('extension method');
  }

  static String staticExtensionMethod() {
    print('static extension method');
  }

  String get extensionGetter => 'extension getter';
  
  static String get staticExtensiongetter => 'static extension getter';
}

void main() {  
  int i = 0;
  
  i.extensionMethod();
  MyExtension.staticExtensionMethod();

  print(i.extensionGetter);
  print(MyExtension.staticExtensiongetter);
}