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/********************* -*- C++ -*- */
/** unique_id.h
** This file is part of the CVC4 prototype.
**
** The Analysis of Computer Systems Group (ACSys)
** Courant Institute of Mathematical Sciences
** New York University
**/
#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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