"""
Roundabout module
SPDX - License - Identifier: LGPL - 3.0 - or -later
Copyright © 2020 Project Author Pilar Monsalvete Alvarez de Uribarri pilar.monsalvete@concordia.ca
Contributor Milad milad.aghamohamadnia@concordia.ca
"""

from typing import List, TypeVar

Edge = TypeVar['Edge']


class Roundabout:
  """
  Roundabout class
  """

  def __init__(self):
    self._edges = None

  @property
  def edges(self) -> List[Edge]:
    """
    Edges that conform the roundabout
    :return: [Edge]
    """
    return self._edges

  @edges.setter
  def edges(self, value):
    """
    Edges that conform the roundabout setter
    :param value: [Edge]
    """
    self._edges = value