ak.forms.EmptyForm
==================

Defined in `awkward.forms.emptyform <https://github.com/scikit-hep/awkward/blob/08439425ed1a9162f8c0eb6ee8d33df375616b71/src/awkward/forms/emptyform.py>`__ on `line 21 <https://github.com/scikit-hep/awkward/blob/08439425ed1a9162f8c0eb6ee8d33df375616b71/src/awkward/forms/emptyform.py#L21>`__.

.. py:class:: ak.forms.EmptyForm(*, parameters: awkward.forms.form.JSONMapping | None = None, form_key: str | None = None)



   .. py:method:: copy(*, parameters: awkward.forms.form.JSONMapping | awkward._util.Sentinel | None = UNSET, form_key: str | awkward._util.Sentinel | None = UNSET) -> EmptyForm


   .. py:method:: simplified(*, parameters: awkward.forms.form.JSONMapping | None = None, form_key: str | None = None) -> awkward.forms.form.Form
      :classmethod:



   .. py:method:: __repr__()


   .. py:method:: _to_dict_part(verbose, toplevel)


   .. py:property:: type


   .. py:method:: to_NumpyForm(primitive)


   .. py:method:: _columns(path, output, list_indicator)


   .. py:method:: _select_columns(match_specifier: awkward.forms.form._SpecifierMatcher) -> awkward._typing.Self


   .. py:method:: _prune_columns(is_inside_record_or_union: bool) -> awkward._typing.Self


   .. py:method:: _column_types() -> tuple[str, Ellipsis]


   .. py:method:: _length_one_buffer_lengths() -> awkward._typing.Iterator[awkward._nplikes.shape.ShapeItem]


   .. py:method:: __setstate__(state)


   .. py:method:: _expected_from_buffers(getkey: collections.abc.Callable[[awkward.forms.form.Form, str], str], recursive: bool) -> awkward._typing.Iterator[tuple[str, awkward._typing.DType]]


   .. py:method:: _is_equal_to(other: awkward.forms.form.Any, all_parameters: bool, form_key: bool) -> bool