exists.h

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// Author(s): Jeroen Keiren
// 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_EXISTS_H
#define MCRL2_DATA_EXISTS_H
 
#include "mcrl2/data/abstraction.h"
 
namespace mcrl2
{
 
namespace data
{
 
class exists: public abstraction
{
  public:
 
    explicit exists(const aterm& d)
      : abstraction(d)
    {
      assert(is_abstraction(d));
      assert(abstraction(d).binding_operator() == exists_binder());
    }
 
    template < typename Container >
    exists(const Container& variables,
           const data_expression& body,
           typename atermpp::enable_if_container< Container, variable >::type* = nullptr)
      : abstraction(exists_binder(), variables, body)
    {
      assert(!variables.empty());
    }
 
    exists(const exists&) noexcept = default;
    exists(exists&&) noexcept = default;
    exists& operator=(const exists&) noexcept = default;
    exists& operator=(exists&&) noexcept = default;
 
}; // class exists
 
template <class... ARGUMENTS>
void make_exists(atermpp::aterm& result, ARGUMENTS... arguments)
{
  make_abstraction(result, exists_binder(), arguments...);
}
 
 
//--- start generated class exists ---//
// prototype declaration
std::string pp(const exists& x);
 
inline
std::ostream& operator<<(std::ostream& out, const exists& x)
{
  return out << data::pp(x);
}
 
inline void swap(exists& t1, exists& t2)
{
  t1.swap(t2);
}
//--- end generated class exists ---//
 
} // namespace data
 
} // namespace mcrl2
 
#endif // MCRL2_DATA_EXISTS_H