Dart by Example: Getters and Setters

import 'dart:math';
class Position {
  int _x;
  int _y;
  Position(this._x, this._y);
  double get rad => atan2(_y, _x);
  void set x(int val) {
    _x = val;
  }
}
main() {
  var p = new Position(2, 3);
  p.x = 10;
  print('x: ${p._x} y: ${p._y}');
  print('rad: ${p.rad}');
}
 

$ getters_setters.dart
x: 10 y: 3
rad: 0.2914567944778671

by @jryanio | source | license