LanguageFeatures/nnbd/local_variable_inference_A02_t03.dart

// Copyright (c) 2021, 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.

/// @assertion Local variables with no explicitly written type but with an
/// initializer are given an inferred type equal to the type of their
/// initializer, unless that type is Null, in which case the inferred type of the
/// variable shall be dynamic.
///
/// @description Checks that local variables with no explicitly written type but
/// with an initializer of type Null are given an inferred type equal to the
/// dynamic
/// @author sgrekhov@unipro.ru

import "../../Utils/expect.dart";

main() {
  var x = null;
  Expect.throws(() {x.everything();});
  x = 42;
  x = "Lily was here";

  var y;
  Expect.throws(() {y.everything;});
  y = 42;
  y = "Lily was here";
}