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#ifndef PYTHONIC_BUILTIN_LIST_INSERT_HPP
#define PYTHONIC_BUILTIN_LIST_INSERT_HPP

#include "pythonic/include/builtins/list/insert.hpp"

#include "pythonic/builtins/None.hpp"
#include "pythonic/types/list.hpp"
#include "pythonic/types/NoneType.hpp"
#include "pythonic/utils/functor.hpp"

PYTHONIC_NS_BEGIN

namespace builtins
{

  namespace list
  {

    // TODO : range_analysis may be use to have a "fast insert" function.
    template <class T, class F>
    types::none_type insert(types::list<T> &seq, long n, F &&value)
    {
      n = n % (1 + seq.size()); // +1 because we want to be able to insert at
                                // the end of seq
      if (n < 0)
        n += seq.size();
      seq.insert(n, std::forward<F>(value));
      return builtins::None;
    }
  }
}
PYTHONIC_NS_END
#endif

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