mashiro · June 7, 2018 09:37
diff --git a/main.dart b/main.dart
 import "./point.dart";
 import "./print.dart";

 void main() {
  var p = new Point(1, 2);
  printPoint(p);
 }
diff --git a/point.dart b/point.dart
 class Point {
  num x;
  num y;

  Point(this.x, this.y);
 }
diff --git a/print.dart b/print.dart
 import "./point.dart";

 void printPoint(Point p) {
  print("Point: (${p.x}, ${p.y})");
 }