Source code for bidict._marker

# -*- coding: utf-8 -*-
# Copyright 2009-2019 Joshua Bronson. All Rights Reserved.
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at

"""Provides :class:`_Marker`, an internal type for representing singletons."""

from collections import namedtuple

class _Marker(namedtuple('_Marker', 'name')):

    __slots__ = ()

    def __repr__(self):
        return '<%s>' %  # pragma: no cover