.. Copyright (c) 2021, J. D. Mitchell

   Distributed under the terms of the GPL license version 3.

   The full license is in the file LICENSE, distributed with this software.

Prefixes and suffixes
=====================

This page contains information about the methods of the :py:class:`FroidurePin`
class related to prefixes and suffixes.

.. py:method:: FroidurePin.final_letter(self: FroidurePin, pos: int) -> int

   Returns the last letter of the element with specified index.

   :param pos: the position
   :type pos: int

   :return: An ``int``.

.. py:method:: FroidurePin.first_letter(self: FroidurePin, pos: int) -> int

   Returns the first letter of the element with specified index.

   :param pos: the position
   :type pos: int

   :return: An ``int``.

.. py:method:: FroidurePin.prefix(self: FroidurePin, pos: int) -> int

   Returns the index of the longest proper prefix.

   :param pos: the index
   :type pos: int

   :return: An ``int``.

.. py:method:: FroidurePin.suffix(self: FroidurePin, pos: int) -> int

   Returns the position of the longest proper suffix.

   :param pos: the position
   :type pos: int

   :return: An ``int``.