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[etc/vim.git] / tests / data / py_310 / pattern_matching_simple.py
1 # Cases sampled from PEP 636 examples
2
3 match command.split():
4     case [action, obj]:
5         ...  # interpret action, obj
6
7 match command.split():
8     case [action]:
9         ...  # interpret single-verb action
10     case [action, obj]:
11         ...  # interpret action, obj
12
13 match command.split():
14     case ["quit"]:
15         print("Goodbye!")
16         quit_game()
17     case ["look"]:
18         current_room.describe()
19     case ["get", obj]:
20         character.get(obj, current_room)
21     case ["go", direction]:
22         current_room = current_room.neighbor(direction)
23     # The rest of your commands go here
24
25 match command.split():
26     case ["drop", *objects]:
27         for obj in objects:
28             character.drop(obj, current_room)
29     # The rest of your commands go here
30
31 match command.split():
32     case ["quit"]:
33         pass
34     case ["go", direction]:
35         print("Going:", direction)
36     case ["drop", *objects]:
37         print("Dropping: ", *objects)
38     case _:
39         print(f"Sorry, I couldn't understand {command!r}")
40
41 match command.split():
42     case ["north"] | ["go", "north"]:
43         current_room = current_room.neighbor("north")
44     case ["get", obj] | ["pick", "up", obj] | ["pick", obj, "up"]:
45         ...  # Code for picking up the given object
46
47 match command.split():
48     case ["go", ("north" | "south" | "east" | "west")]:
49         current_room = current_room.neighbor(...)
50         # how do I know which direction to go?
51
52 match command.split():
53     case ["go", ("north" | "south" | "east" | "west") as direction]:
54         current_room = current_room.neighbor(direction)
55
56 match command.split():
57     case ["go", direction] if direction in current_room.exits:
58         current_room = current_room.neighbor(direction)
59     case ["go", _]:
60         print("Sorry, you can't go that way")
61
62 match event.get():
63     case Click(position=(x, y)):
64         handle_click_at(x, y)
65     case KeyPress(key_name="Q") | Quit():
66         game.quit()
67     case KeyPress(key_name="up arrow"):
68         game.go_north()
69     case KeyPress():
70         pass  # Ignore other keystrokes
71     case other_event:
72         raise ValueError(f"Unrecognized event: {other_event}")
73
74 match event.get():
75     case Click((x, y), button=Button.LEFT):  # This is a left click
76         handle_click_at(x, y)
77     case Click():
78         pass  # ignore other clicks
79
80
81 def where_is(point):
82     match point:
83         case Point(x=0, y=0):
84             print("Origin")
85         case Point(x=0, y=y):
86             print(f"Y={y}")
87         case Point(x=x, y=0):
88             print(f"X={x}")
89         case Point():
90             print("Somewhere else")
91         case _:
92             print("Not a point")