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Adding docstring

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Lukas Wölfer
2019-04-22 22:07:44 +02:00
parent 67f55a3e88
commit 9be11b9aac
2 changed files with 7 additions and 0 deletions
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3
shenzhen_solitaire/board_actions.py
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@@ -5,6 +5,7 @@ from . import board
class Action:
"""Base class for a card move action on a solitaire board"""
_before_state: int = 0
_after_state: int = 0
@@ -15,6 +16,7 @@ class Action:
pass
def apply(self, action_board: board.Board) -> None:
"""Apply action to board"""
if __debug__:
self._before_state = action_board.state_identifier
self._apply(action_board)
@@ -22,6 +24,7 @@ class Action:
self._after_state = action_board.state_identifier
def undo(self, action_board: board.Board) -> None:
"""Undo action to board"""
assert action_board.state_identifier == self._after_state
self._undo(action_board)
assert action_board.state_identifier == self._before_state