// 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 We allow tearing off named constructors.
//
// If [C] denotes a class declaration and [C.name] is the name of a constructor
// of that class, we allow you to tear off that constructors as:
//
//  C.name, or
//  C<typeArgs>.name
//
// just as you can currently invoke the constructor as [C.name(args)], or
// [C<typeArgs>.name(args)].
///
/// @description Checks that tearing off named constructor with type arguments
/// is allowed for a generic class.
/// @author iarkh@unipro.ru

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

class C<T> {
  static bool called = false;
  C.constr(int i) {
    Expect.isTrue(T == int);
    called = true;
  }
}

main() {
  var v = C<int>.constr;
  C c = v(1);
  Expect.isTrue(C.called);
}
