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- /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL. You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All Rights
- * Reserved.
- */
-
- #pragma once
-
- template <class T>
- class opaque_ptr
- {
- friend bool operator==( const opaque_ptr<T>&, const opaque_ptr<T>& );
-
- public:
- opaque_ptr( const T* ptr = 0 ) : _ptr(ptr) { }
- // Note: _not_ |explicit|
-
- private:
- const T* _ptr;
- };
-
- template <class T>
- inline
- bool
- operator==( const opaque_ptr<T>& L, const opaque_ptr<T>& R )
- {
- return L._ptr == R._ptr;
- }
-
-