pkg/front_end/testcases/inference/propagate_inference_to_field_in_class.dart

// Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

/*@testedFeatures=inference*/
library test;

class A {
  int x = 2;
}

main() {
  var /*@ type=A* */ a = new A();
  A b = a; // doesn't require down cast
  print(a. /*@target=A.x*/ x); // doesn't require dynamic invoke
  print(a. /*@target=A.x*/ x /*@target=num.+*/ +
      2); // ok to use in bigger expression
}