substitution_utility.h

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// Author(s): Wieger Wesselink
// Copyright: see the accompanying file COPYING or copy at
// https://github.com/mCRL2org/mCRL2/blob/master/COPYING
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
 
#ifndef MCRL2_DATA_SUBSTITUTION_UTILITY_H
#define MCRL2_DATA_SUBSTITUTION_UTILITY_H
 
#include "mcrl2/data/variable.h"
#include "mcrl2/data/substitutions/mutable_indexed_substitution.h"
 
namespace mcrl2 {
 
namespace data {
 
template <typename VariableSequence, typename DataExpressionSequence>
inline
void add_assignments(data::mutable_indexed_substitution<>& sigma, const VariableSequence& v, const DataExpressionSequence& e)
{
  assert(v.size() <= e.size());
  auto vi = v.begin();
  auto ei = e.begin();
  for (; vi != v.end(); ++vi, ++ei)
  {
    sigma[*vi] = *ei;
  }
}
 
template <typename VariableSequence>
inline
void remove_assignments(data::mutable_indexed_substitution<>& sigma, const VariableSequence& v)
{
  for (const data::variable& vi: v)
  {
    sigma[vi] = vi;
  }
}
 
} // namespace data
 
} // namespace mcrl2
 
#endif // MCRL2_DATA_SUBSTITUTION_UTILITY_H