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42 lines
650 B
Python
42 lines
650 B
Python
from __future__ import annotations
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from dataclasses import dataclass
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from typing import List, Optional, TypeAlias, Union
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from models import (
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Fruit,
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Nut,
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)
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@dataclass
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class Foo:
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x: int
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y: int
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@classmethod
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def a(cls) -> Foo:
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return cls(x=0, y=0)
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@classmethod
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def b(cls) -> "Foo":
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return cls(x=0, y=0)
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@classmethod
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def c(cls) -> Bar:
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return cls(x=0, y=0)
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@classmethod
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def d(cls) -> Fruit:
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return cls(x=0, y=0)
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def f(x: int) -> List[int]:
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y = List[int]()
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y.append(x)
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return y
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x: Optional[int] = None
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MyList: TypeAlias = Union[List[int], List[str]]
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