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/********************* */
/*! \file proof_rule.cpp
** \verbatim
** Top contributors (to current version):
** Andrew Reynolds
** This file is part of the CVC4 project.
** Copyright (c) 2009-2019 by the authors listed in the file AUTHORS
** in the top-level source directory) and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief Implementation of proof rule
**/
#include "expr/proof_rule.h"
#include <iostream>
namespace CVC4 {
const char* toString(PfRule id)
{
switch (id)
{
//================================================= Core rules
case PfRule::ASSUME: return "ASSUME";
//================================================= Unknown rule
case PfRule::UNKNOWN: return "UNKNOWN";
default: return "?";
}
}
std::ostream& operator<<(std::ostream& out, PfRule id)
{
out << toString(id);
return out;
}
} // namespace CVC4
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