pkg/front_end/testcases/inference/void_return_type_subtypes_dynamic.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.
// @dart=2.9
/*@testedFeatures=inference*/
library test;

T run<T>(T f()) {
  print("running");
  var /*@ type=run::T* */ t = f();
  print("done running");
  return t;
}

void printRunning() {
  print("running");
}

var x = run<dynamic>(printRunning);

main() {
  void printRunning() {
    print("running");
  }

  var /*@ type=dynamic */ x = run<dynamic>(printRunning);
  var /*@ type=void */ y = /*info:USE_OF_VOID_RESULT*/ /*@ typeArgs=void */ run(
      printRunning);
  x = 123;
  x = 'hi';
  y = /*error:INVALID_ASSIGNMENT*/ 123;
  y = /*error:INVALID_ASSIGNMENT*/ 'hi';
}