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