#ifndef PYTHONIC_INCLUDE_BUILTIN_SET_DIFFERENCE_HPP
#define PYTHONIC_INCLUDE_BUILTIN_SET_DIFFERENCE_HPP

#include "pythonic/include/types/set.hpp"
#include "pythonic/include/utils/functor.hpp"

PYTHONIC_NS_BEGIN

namespace builtins
{

  namespace set
  {

    template <typename T, typename... Types>
    types::set<T> difference(types::set<T> const &set, Types const &... others);

    template <typename T, typename... Types>
    types::set<T> difference(types::set<T> &&set, Types const &... others);

    template <typename... Types>
    types::empty_set difference(types::empty_set const &set,
                                Types const &... others);

    template <typename T>
    types::set<T> difference(types::set<T> const &set);

    template <typename T>
    types::set<T> difference(types::set<T> &&set);

    types::empty_set difference(types::empty_set const &set);

    DEFINE_FUNCTOR(pythonic::builtins::set, difference);
  }
}
PYTHONIC_NS_END
#endif