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// 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.
import 'dart:ffi';
import "package:expect/expect.dart";
import "package:ffi/ffi.dart";
final class DartValueFields extends Union {
external Pointer p1;
external Pointer p2;
external Pointer p3;
external Pointer p4;
}
void main() {
final p = calloc<DartValueFields>();
Expect.equals(0, p.ref.p4.address);
calloc.free(p);
}