nsEnumeratorUtils.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef nsEnumeratorUtils_h__

#define nsEnumeratorUtils_h__

#include "nscore.h"

class nsISupports;

class nsISimpleEnumerator;

nsresult NS_NewEmptyEnumerator(nsISimpleEnumerator** aResult);

nsresult NS_NewSingletonEnumerator(nsISimpleEnumerator** aResult,

                                   nsISupports* aSingleton);

nsresult NS_NewUnionEnumerator(nsISimpleEnumerator** aResult,

                               nsISimpleEnumerator* aFirstEnumerator,

                               nsISimpleEnumerator* aSecondEnumerator);

#endif /* nsEnumeratorUtils_h__ */