How to use the coconut.compiler.util.attach function in coconut

self.set_literal <<= trace(attach(self.set_literal_ref, self.set_literal_handle))
        self.set_letter_literal <<= trace(attach(self.set_letter_literal_ref, self.set_letter_literal_handle))
        self.classlist <<= trace(attach(self.classlist_ref, self.classlist_handle))
        self.import_stmt <<= trace(attach(self.import_stmt_ref, self.import_handle))
        self.complex_raise_stmt <<= trace(attach(self.complex_raise_stmt_ref, self.complex_raise_stmt_handle))
        self.augassign_stmt <<= trace(attach(self.augassign_stmt_ref, self.augassign_handle))
        self.dict_comp <<= trace(attach(self.dict_comp_ref, self.dict_comp_handle))
        self.destructuring_stmt <<= trace(attach(self.destructuring_stmt_ref, self.destructuring_stmt_handle))
        self.name_match_funcdef <<= trace(attach(self.name_match_funcdef_ref, self.name_match_funcdef_handle))
        self.op_match_funcdef <<= trace(attach(self.op_match_funcdef_ref, self.op_match_funcdef_handle))
        self.yield_from <<= trace(attach(self.yield_from_ref, self.yield_from_handle))
        self.exec_stmt <<= trace(attach(self.exec_stmt_ref, self.exec_stmt_handle))
        self.stmt_lambdef <<= trace(attach(self.stmt_lambdef_ref, self.stmt_lambdef_handle))
        self.typedef <<= trace(attach(self.typedef_ref, self.typedef_handle))
        self.typedef_default <<= trace(attach(self.typedef_default_ref, self.typedef_handle))
        self.unsafe_typedef_default <<= trace(attach(self.unsafe_typedef_default_ref, self.unsafe_typedef_handle))
        self.return_typedef <<= trace(attach(self.return_typedef_ref, self.typedef_handle))
        self.typed_assign_stmt <<= trace(attach(self.typed_assign_stmt_ref, self.typed_assign_stmt_handle))
        self.datadef <<= trace(attach(self.datadef_ref, self.data_handle))
        self.match_datadef <<= trace(attach(self.match_datadef_ref, self.match_data_handle))
        self.with_stmt <<= trace(attach(self.with_stmt_ref, self.with_stmt_handle))
        self.await_item <<= trace(attach(self.await_item_ref, self.await_item_handle))
        self.ellipsis <<= trace(attach(self.ellipsis_ref, self.ellipsis_handle))
        self.case_stmt <<= trace(attach(self.case_stmt_ref, self.case_stmt_handle))
        self.f_string <<= attach(self.f_string_ref, self.f_string_handle)

        self.decoratable_normal_funcdef_stmt <<= trace(
            attach(
                self.decoratable_normal_funcdef_stmt_ref,
                self.decoratable_funcdef_stmt_handle,
            ),
        )

self.datadef <<= trace(attach(self.datadef_ref, self.data_handle))
        self.match_datadef <<= trace(attach(self.match_datadef_ref, self.match_data_handle))
        self.with_stmt <<= trace(attach(self.with_stmt_ref, self.with_stmt_handle))
        self.await_item <<= trace(attach(self.await_item_ref, self.await_item_handle))
        self.ellipsis <<= trace(attach(self.ellipsis_ref, self.ellipsis_handle))
        self.case_stmt <<= trace(attach(self.case_stmt_ref, self.case_stmt_handle))
        self.f_string <<= attach(self.f_string_ref, self.f_string_handle)

        self.decoratable_normal_funcdef_stmt <<= trace(
            attach(
                self.decoratable_normal_funcdef_stmt_ref,
                self.decoratable_funcdef_stmt_handle,
            ),
        )
        self.decoratable_async_funcdef_stmt <<= trace(
            attach(
                self.decoratable_async_funcdef_stmt_ref,
                partial(self.decoratable_funcdef_stmt_handle, is_async=True),
            ),
        )

        self.u_string <<= attach(self.u_string_ref, self.u_string_check)
        self.matrix_at <<= attach(self.matrix_at_ref, self.matrix_at_check)
        self.nonlocal_stmt <<= attach(self.nonlocal_stmt_ref, self.nonlocal_check)
        self.star_assign_item <<= attach(self.star_assign_item_ref, self.star_assign_item_check)
        self.classic_lambdef <<= attach(self.classic_lambdef_ref, self.lambdef_check)
        self.star_expr <<= attach(self.star_expr_ref, self.star_expr_check)
        self.dubstar_expr <<= attach(self.dubstar_expr_ref, self.star_expr_check)
        self.star_sep_arg <<= attach(self.star_sep_arg_ref, self.star_sep_check)
        self.star_sep_vararg <<= attach(self.star_sep_vararg_ref, self.star_sep_check)
        self.slash_sep_arg <<= attach(self.slash_sep_arg_ref, self.slash_sep_check)
        self.slash_sep_vararg <<= attach(self.slash_sep_vararg_ref, self.slash_sep_check)

def bind(self):
        """Binds reference objects to the proper parse actions."""
        self.endline <<= attach(self.endline_ref, self.endline_handle)

        self.moduledoc_item <<= trace(attach(self.moduledoc, self.set_docstring))
        self.name <<= trace(attach(self.base_name, self.name_check))
        # comments are evaluated greedily because we need to know about them even if we're going to suppress them
        self.comment <<= trace(attach(self.comment_ref, self.comment_handle, greedy=True))
        self.set_literal <<= trace(attach(self.set_literal_ref, self.set_literal_handle))
        self.set_letter_literal <<= trace(attach(self.set_letter_literal_ref, self.set_letter_literal_handle))
        self.classlist <<= trace(attach(self.classlist_ref, self.classlist_handle))
        self.import_stmt <<= trace(attach(self.import_stmt_ref, self.import_handle))
        self.complex_raise_stmt <<= trace(attach(self.complex_raise_stmt_ref, self.complex_raise_stmt_handle))
        self.augassign_stmt <<= trace(attach(self.augassign_stmt_ref, self.augassign_handle))
        self.dict_comp <<= trace(attach(self.dict_comp_ref, self.dict_comp_handle))
        self.destructuring_stmt <<= trace(attach(self.destructuring_stmt_ref, self.destructuring_stmt_handle))
        self.name_match_funcdef <<= trace(attach(self.name_match_funcdef_ref, self.name_match_funcdef_handle))
        self.op_match_funcdef <<= trace(attach(self.op_match_funcdef_ref, self.op_match_funcdef_handle))
        self.yield_from <<= trace(attach(self.yield_from_ref, self.yield_from_handle))
        self.exec_stmt <<= trace(attach(self.exec_stmt_ref, self.exec_stmt_handle))
        self.stmt_lambdef <<= trace(attach(self.stmt_lambdef_ref, self.stmt_lambdef_handle))

self.op_match_funcdef <<= trace(attach(self.op_match_funcdef_ref, self.op_match_funcdef_handle))
        self.yield_from <<= trace(attach(self.yield_from_ref, self.yield_from_handle))
        self.exec_stmt <<= trace(attach(self.exec_stmt_ref, self.exec_stmt_handle))
        self.stmt_lambdef <<= trace(attach(self.stmt_lambdef_ref, self.stmt_lambdef_handle))
        self.typedef <<= trace(attach(self.typedef_ref, self.typedef_handle))
        self.typedef_default <<= trace(attach(self.typedef_default_ref, self.typedef_handle))
        self.unsafe_typedef_default <<= trace(attach(self.unsafe_typedef_default_ref, self.unsafe_typedef_handle))
        self.return_typedef <<= trace(attach(self.return_typedef_ref, self.typedef_handle))
        self.typed_assign_stmt <<= trace(attach(self.typed_assign_stmt_ref, self.typed_assign_stmt_handle))
        self.datadef <<= trace(attach(self.datadef_ref, self.data_handle))
        self.match_datadef <<= trace(attach(self.match_datadef_ref, self.match_data_handle))
        self.with_stmt <<= trace(attach(self.with_stmt_ref, self.with_stmt_handle))
        self.await_item <<= trace(attach(self.await_item_ref, self.await_item_handle))
        self.ellipsis <<= trace(attach(self.ellipsis_ref, self.ellipsis_handle))
        self.case_stmt <<= trace(attach(self.case_stmt_ref, self.case_stmt_handle))
        self.f_string <<= attach(self.f_string_ref, self.f_string_handle)

        self.decoratable_normal_funcdef_stmt <<= trace(
            attach(
                self.decoratable_normal_funcdef_stmt_ref,
                self.decoratable_funcdef_stmt_handle,
            ),
        )
        self.decoratable_async_funcdef_stmt <<= trace(
            attach(
                self.decoratable_async_funcdef_stmt_ref,
                partial(self.decoratable_funcdef_stmt_handle, is_async=True),
            ),
        )

        self.u_string <<= attach(self.u_string_ref, self.u_string_check)
        self.matrix_at <<= attach(self.matrix_at_ref, self.matrix_at_check)

def bind(self):
        """Binds reference objects to the proper parse actions."""
        self.endline <<= attach(self.endline_ref, self.endline_handle)

        self.moduledoc_item <<= trace(attach(self.moduledoc, self.set_docstring))
        self.name <<= trace(attach(self.base_name, self.name_check))
        # comments are evaluated greedily because we need to know about them even if we're going to suppress them
        self.comment <<= trace(attach(self.comment_ref, self.comment_handle, greedy=True))
        self.set_literal <<= trace(attach(self.set_literal_ref, self.set_literal_handle))
        self.set_letter_literal <<= trace(attach(self.set_letter_literal_ref, self.set_letter_literal_handle))
        self.classlist <<= trace(attach(self.classlist_ref, self.classlist_handle))
        self.import_stmt <<= trace(attach(self.import_stmt_ref, self.import_handle))
        self.complex_raise_stmt <<= trace(attach(self.complex_raise_stmt_ref, self.complex_raise_stmt_handle))
        self.augassign_stmt <<= trace(attach(self.augassign_stmt_ref, self.augassign_handle))
        self.dict_comp <<= trace(attach(self.dict_comp_ref, self.dict_comp_handle))
        self.destructuring_stmt <<= trace(attach(self.destructuring_stmt_ref, self.destructuring_stmt_handle))
        self.name_match_funcdef <<= trace(attach(self.name_match_funcdef_ref, self.name_match_funcdef_handle))
        self.op_match_funcdef <<= trace(attach(self.op_match_funcdef_ref, self.op_match_funcdef_handle))
        self.yield_from <<= trace(attach(self.yield_from_ref, self.yield_from_handle))
        self.exec_stmt <<= trace(attach(self.exec_stmt_ref, self.exec_stmt_handle))
        self.stmt_lambdef <<= trace(attach(self.stmt_lambdef_ref, self.stmt_lambdef_handle))
        self.typedef <<= trace(attach(self.typedef_ref, self.typedef_handle))

def bind(self):
        """Binds reference objects to the proper parse actions."""
        self.endline <<= attach(self.endline_ref, self.endline_handle)

        self.moduledoc_item <<= trace(attach(self.moduledoc, self.set_docstring))
        self.name <<= trace(attach(self.base_name, self.name_check))
        # comments are evaluated greedily because we need to know about them even if we're going to suppress them
        self.comment <<= trace(attach(self.comment_ref, self.comment_handle, greedy=True))
        self.set_literal <<= trace(attach(self.set_literal_ref, self.set_literal_handle))
        self.set_letter_literal <<= trace(attach(self.set_letter_literal_ref, self.set_letter_literal_handle))
        self.classlist <<= trace(attach(self.classlist_ref, self.classlist_handle))
        self.import_stmt <<= trace(attach(self.import_stmt_ref, self.import_handle))
        self.complex_raise_stmt <<= trace(attach(self.complex_raise_stmt_ref, self.complex_raise_stmt_handle))
        self.augassign_stmt <<= trace(attach(self.augassign_stmt_ref, self.augassign_handle))
        self.dict_comp <<= trace(attach(self.dict_comp_ref, self.dict_comp_handle))
        self.destructuring_stmt <<= trace(attach(self.destructuring_stmt_ref, self.destructuring_stmt_handle))
        self.name_match_funcdef <<= trace(attach(self.name_match_funcdef_ref, self.name_match_funcdef_handle))
        self.op_match_funcdef <<= trace(attach(self.op_match_funcdef_ref, self.op_match_funcdef_handle))
        self.yield_from <<= trace(attach(self.yield_from_ref, self.yield_from_handle))
        self.exec_stmt <<= trace(attach(self.exec_stmt_ref, self.exec_stmt_handle))
        self.stmt_lambdef <<= trace(attach(self.stmt_lambdef_ref, self.stmt_lambdef_handle))
        self.typedef <<= trace(attach(self.typedef_ref, self.typedef_handle))
        self.typedef_default <<= trace(attach(self.typedef_default_ref, self.typedef_handle))
        self.unsafe_typedef_default <<= trace(attach(self.unsafe_typedef_default_ref, self.unsafe_typedef_handle))
        self.return_typedef <<= trace(attach(self.return_typedef_ref, self.typedef_handle))
        self.typed_assign_stmt <<= trace(attach(self.typed_assign_stmt_ref, self.typed_assign_stmt_handle))
        self.datadef <<= trace(attach(self.datadef_ref, self.data_handle))
        self.match_datadef <<= trace(attach(self.match_datadef_ref, self.match_data_handle))
        self.with_stmt <<= trace(attach(self.with_stmt_ref, self.with_stmt_handle))
        self.await_item <<= trace(attach(self.await_item_ref, self.await_item_handle))
        self.ellipsis <<= trace(attach(self.ellipsis_ref, self.ellipsis_handle))

self.decoratable_normal_funcdef_stmt <<= trace(
            attach(
                self.decoratable_normal_funcdef_stmt_ref,
                self.decoratable_funcdef_stmt_handle,
            ),
        )
        self.decoratable_async_funcdef_stmt <<= trace(
            attach(
                self.decoratable_async_funcdef_stmt_ref,
                partial(self.decoratable_funcdef_stmt_handle, is_async=True),
            ),
        )

        self.u_string <<= attach(self.u_string_ref, self.u_string_check)
        self.matrix_at <<= attach(self.matrix_at_ref, self.matrix_at_check)
        self.nonlocal_stmt <<= attach(self.nonlocal_stmt_ref, self.nonlocal_check)
        self.star_assign_item <<= attach(self.star_assign_item_ref, self.star_assign_item_check)
        self.classic_lambdef <<= attach(self.classic_lambdef_ref, self.lambdef_check)
        self.star_expr <<= attach(self.star_expr_ref, self.star_expr_check)
        self.dubstar_expr <<= attach(self.dubstar_expr_ref, self.star_expr_check)
        self.star_sep_arg <<= attach(self.star_sep_arg_ref, self.star_sep_check)
        self.star_sep_vararg <<= attach(self.star_sep_vararg_ref, self.star_sep_check)
        self.slash_sep_arg <<= attach(self.slash_sep_arg_ref, self.slash_sep_check)
        self.slash_sep_vararg <<= attach(self.slash_sep_vararg_ref, self.slash_sep_check)
        self.endline_semicolon <<= attach(self.endline_semicolon_ref, self.endline_semicolon_check)
        self.async_stmt <<= attach(self.async_stmt_ref, self.async_stmt_check)
        self.async_comp_for <<= attach(self.async_comp_for_ref, self.async_comp_check)
        self.namedexpr <<= attach(self.namedexpr_ref, self.namedexpr_check)

self.endline <<= attach(self.endline_ref, self.endline_handle)

        self.moduledoc_item <<= trace(attach(self.moduledoc, self.set_docstring))
        self.name <<= trace(attach(self.base_name, self.name_check))
        # comments are evaluated greedily because we need to know about them even if we're going to suppress them
        self.comment <<= trace(attach(self.comment_ref, self.comment_handle, greedy=True))
        self.set_literal <<= trace(attach(self.set_literal_ref, self.set_literal_handle))
        self.set_letter_literal <<= trace(attach(self.set_letter_literal_ref, self.set_letter_literal_handle))
        self.classlist <<= trace(attach(self.classlist_ref, self.classlist_handle))
        self.import_stmt <<= trace(attach(self.import_stmt_ref, self.import_handle))
        self.complex_raise_stmt <<= trace(attach(self.complex_raise_stmt_ref, self.complex_raise_stmt_handle))
        self.augassign_stmt <<= trace(attach(self.augassign_stmt_ref, self.augassign_handle))
        self.dict_comp <<= trace(attach(self.dict_comp_ref, self.dict_comp_handle))
        self.destructuring_stmt <<= trace(attach(self.destructuring_stmt_ref, self.destructuring_stmt_handle))
        self.name_match_funcdef <<= trace(attach(self.name_match_funcdef_ref, self.name_match_funcdef_handle))
        self.op_match_funcdef <<= trace(attach(self.op_match_funcdef_ref, self.op_match_funcdef_handle))
        self.yield_from <<= trace(attach(self.yield_from_ref, self.yield_from_handle))
        self.exec_stmt <<= trace(attach(self.exec_stmt_ref, self.exec_stmt_handle))
        self.stmt_lambdef <<= trace(attach(self.stmt_lambdef_ref, self.stmt_lambdef_handle))
        self.typedef <<= trace(attach(self.typedef_ref, self.typedef_handle))
        self.typedef_default <<= trace(attach(self.typedef_default_ref, self.typedef_handle))
        self.unsafe_typedef_default <<= trace(attach(self.unsafe_typedef_default_ref, self.unsafe_typedef_handle))
        self.return_typedef <<= trace(attach(self.return_typedef_ref, self.typedef_handle))
        self.typed_assign_stmt <<= trace(attach(self.typed_assign_stmt_ref, self.typed_assign_stmt_handle))
        self.datadef <<= trace(attach(self.datadef_ref, self.data_handle))
        self.match_datadef <<= trace(attach(self.match_datadef_ref, self.match_data_handle))
        self.with_stmt <<= trace(attach(self.with_stmt_ref, self.with_stmt_handle))
        self.await_item <<= trace(attach(self.await_item_ref, self.await_item_handle))
        self.ellipsis <<= trace(attach(self.ellipsis_ref, self.ellipsis_handle))
        self.case_stmt <<= trace(attach(self.case_stmt_ref, self.case_stmt_handle))
        self.f_string <<= attach(self.f_string_ref, self.f_string_handle)

),
        )
        self.decoratable_async_funcdef_stmt <<= trace(
            attach(
                self.decoratable_async_funcdef_stmt_ref,
                partial(self.decoratable_funcdef_stmt_handle, is_async=True),
            ),
        )

        self.u_string <<= attach(self.u_string_ref, self.u_string_check)
        self.matrix_at <<= attach(self.matrix_at_ref, self.matrix_at_check)
        self.nonlocal_stmt <<= attach(self.nonlocal_stmt_ref, self.nonlocal_check)
        self.star_assign_item <<= attach(self.star_assign_item_ref, self.star_assign_item_check)
        self.classic_lambdef <<= attach(self.classic_lambdef_ref, self.lambdef_check)
        self.star_expr <<= attach(self.star_expr_ref, self.star_expr_check)
        self.dubstar_expr <<= attach(self.dubstar_expr_ref, self.star_expr_check)
        self.star_sep_arg <<= attach(self.star_sep_arg_ref, self.star_sep_check)
        self.star_sep_vararg <<= attach(self.star_sep_vararg_ref, self.star_sep_check)
        self.slash_sep_arg <<= attach(self.slash_sep_arg_ref, self.slash_sep_check)
        self.slash_sep_vararg <<= attach(self.slash_sep_vararg_ref, self.slash_sep_check)
        self.endline_semicolon <<= attach(self.endline_semicolon_ref, self.endline_semicolon_check)
        self.async_stmt <<= attach(self.async_stmt_ref, self.async_stmt_check)
        self.async_comp_for <<= attach(self.async_comp_for_ref, self.async_comp_check)
        self.namedexpr <<= attach(self.namedexpr_ref, self.namedexpr_check)