3.11. Match Sub-patterns¶
3.11.1. Use Case - 0x01¶
Game Controller
Test Setup:
>>> class Hero:
... def move_horizontal(self, direction, value): ...
... def move_vertical(self, direction, value): ...
>>>
>>> hero = Hero()
Use Case:
>>> action = ['move', 'left', 10]
>>>
>>> match action:
...
... case ['move', ('up'|'down') as direction, value]:
... hero.move_vertical(direction, value)
...
... case ['move', ('left'|'right') as direction, value]:
... hero.move_horizontal(direction, value)
...
... case _:
... raise ValueError('Invalid direction')