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📄 counter.h

📁 common c++提供socket
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// Copyright (C) 2001,2002 Open Source Telecom Corporation.//  // This program is free software; you can redistribute it and/or modify// it under the terms of the GNU General Public License as published by// the Free Software Foundation; either version 2 of the License, or// (at your option) any later version.// // This program is distributed in the hope that it will be useful,// but WITHOUT ANY WARRANTY; without even the implied warranty of// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the// GNU General Public License for more details.// // You should have received a copy of the GNU General Public License// along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.// // As a special exception to the GNU General Public License, permission is // granted for additional uses of the text contained in its release // of Common C++.// // The exception is that, if you link the Common C++ library with other// files to produce an executable, this does not by itself cause the// resulting executable to be covered by the GNU General Public License.// Your use of that executable is in no way restricted on account of// linking the Common C++ library code into it.// // This exception does not however invalidate any other reasons why// the executable file might be covered by the GNU General Public License.// // This exception applies only to the code released under the // name Common C++.  If you copy code from other releases into a copy of// Common C++, as the General Public License permits, the exception does// not apply to the code that you add in this way.  To avoid misleading// anyone as to the status of such modified files, you must delete// this exception notice from them.// // If you write modifications of your own for Common C++, it is your choice// whether to permit this exception to apply to your modifications.// If you do not wish that, delete this exception notice.  /** * @file counter.h * @short Generic automatic counter data type template class. **/namespace ost {/** * The counter template is used for generic objects which act as * automatic counters.  Each time the object is accessed, the underlying * counted data type is incremented. * * @author David Sugar <dyfet@gnutelephony.org> * @short Automatic counter template class. */template <typename T>class Counter{protected:	T count;public:	/**	 * Construct and initialize a counter to zero.	 */	inline Counter()		{count = 0;};	/**	 * Construct a counter with an initial value set for another counter.	 *	 * @param counter to copy from.	 */	inline Counter(const Counter &counter)		{count = counter.count;};	/**	 * Construct a counter with an initial value of the specified	 * data type.	 *	 * @param initial value to set.	 */	inline Counter(T initial)		{count = initial;};	inline T& operator=(T c)		{counter = c;};		inline operator T()		{return count++;}};}

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