Pythonの型ヒント

型変数の例 from dataclasses import dataclass from functools import singledispatch from typing import Dict, Generic, List, NewType, Optional, TypeVar @dataclass class FooEvent: pass @dataclass class BarEvent: pass @dataclass class BazEvent: pass Event = TypeVar("Event", FooEvent, BarEvent, BazEvent) @singledispatch def as_custom_dict(ev: Event) -> Dict: return {} @as_custom_dict.register def _(ev: BazEvent) -> Dict: return {} def func_effect(ev: Event) -> Dict: return as_custom_dict(ev)...

 · 1 min · しむどん三度無視