lib/main.dart:608:7: Error: The non-abstract class ‘CustomRect’ is missing implementations for these members:
- Rect.x
- Rect.y
Try to either - provide an implementation,
- inherit an implementation from a superclass or mixin,
- mark the class as abstract, or
- provide a ‘noSuchMethod’ implementation.
class CustomRect implements Rect {
^^^^^^^^^^
/C:/Users/USER/AppData/Local/Pub/Cache/hosted/pub.dev/quadtree_dart-1.1.1/lib/src/rect.dart:11:10: Context: ‘Rect.x’ is defined here.
double x;
^
/C:/Users/USER/AppData/Local/Pub/Cache/hosted/pub.dev/quadtree_dart-1.1.1/lib/src/rect.dart:12:10: Context: ‘Rect.y’ is defined here.
double y;
^
Target kernel_snapshot failed:
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