27 lines
758 B
Python
27 lines
758 B
Python
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from dataclass import dataclass
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from enum import Enum
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class ResultState(Enum):
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WARNING,
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SUCCESS,
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FAILURE,
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@dataclass
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class Result[T]:
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state: ResultState
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value: T | None
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message: str
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@classmethod
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def warn(cls: Result, message: str, value: T | None = NOne) -> Result:
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cls(ResultState.WARNING, value, message)
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@classmethod
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def succeed(cls: Result, value: T, message: str = 'Ok') -> Result:
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cls(ResultState.SUCCESS, value, message)
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@classmethod
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def fail(cls: Result, message: str, value: T | None = None) -> Result:
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cls(ResultState.WARNING, value, message)
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def is_ok(self) -> bool: return not self.is_err()
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def is_err(self) -> bool: return self.state == ResultState.FAILURE
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