Language/Classes/Constructors/Generative_Constructors/explicit_type_t01.dart

// Copyright (c) 2011, 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 If an explicit type is attached to the initializing formal, that
/// is its static type. Otherwise, the type of an initializing formal named id
/// is Tid, where Tid is the type of the field named id in the immediately
/// enclosing class. It is a static warning if the static type of id is not
/// assignable to Tid.
/// @description Checks that it's a compile error if an explicit type of
/// an initializing formal is not assignable to the type of the corresponding
/// field.
/// @author msyabro


class C {
  String? x;

  C(int? this.x) {}
//            ^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {
  new C(1);
}