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/********************* */
/** unique_id.h
** Original author: mdeters
** Major contributors: none
** Minor contributors (to current version): none
** This file is part of the CVC4 prototype.
** Copyright (c) 2009, 2010 The Analysis of Computer Systems Group (ACSys)
** Courant Institute of Mathematical Sciences
** New York University
** See the file COPYING in the top-level source directory for licensing
** information.
**
** A mechanism for getting a compile-time unique ID.
**/
#include "cvc4_private.h"
#ifndef __CVC4__UNIQUE_ID_H
#define __CVC4__UNIQUE_ID_H
namespace CVC4 {
// NOTE that UniqueID is intended for startup registration; it
// shouldn't be used in multi-threaded contexts.
template <class T>
class UniqueID {
static unsigned s_topID;
const unsigned d_thisID;
public:
UniqueID() : d_thisID( s_topID++ ) { }
operator unsigned() const { return d_thisID; }
};
template <class T>
unsigned UniqueID<T>::s_topID = 0;
}/* CVC4 namespace */
#endif /* __CVC4__UNIQUE_ID_H */
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