/**
 *
 * Authors:
 *   Tim Dwyer <tgdwyer@gmail.com>
 *
 * Copyright (C) 2005 Authors
 *
 * This version is released under the CPL (Common Public License) with
 * the Graphviz distribution.
 * A version is also available under the LGPL as part of the Adaptagrams
 * project: https://github.com/mjwybrow/adaptagrams.  
 * If you make improvements or bug fixes to this code it would be much
 * appreciated if you could also contribute those changes back to the
 * Adaptagrams repository.
 */
#include <vpsc/variable.h>
std::ostream& operator <<(std::ostream &os, const Variable &v) {
	os << "(" << v.id << "=" << v.position() << ")";
	return os;
}