dart notes

dart_notes.dart

/*
Dartium => Build of Chromium that has Dart VMtree-shaking process where unused code is not included in the final output of the program, that said u can import all kind libraries and not caring about unuse code.eg dart2js supports tree-shaking for Dart and Js outputs

final variables can not change
static class level fields
string interpolation: '$_firstName $_secondName'
=> expr; shorthand for {return expr;}
*/

PirateName.readyThePirates()
    .then((_) { // _ means no parameters are ignored
      //on success
      inputField.disabled = false; //enable
      genButton.disabled = false;  //enable
      setBadgeName(getBadgeNameFromStorage());
    })
    .catchError((arrr) {
      print('Error initializing pirate names: $arrr');
      badgeNameElement.text = 'Arrr! No names.';
    });

class Item {
  int maxSize;
  String name;
  
  Item([this.name, this.maxSize = 100]);
}

class Message {
  int _id;
  String _text;
  Message({int id, String text}) {
    _id = id;
    _text = text;
  }
  int get id => _id;
  String get text => _text;
}

main() {
    Item i = new Item('chris', 300);
    print(i.name);
    print(i.maxSize);    

    Message m = new Message(text: 'hi there', id: 123);
    print(m.id);
    print(m.text);    
}