from enum import Enum
from typing import Optional

class Result:
    def __init__(self, 
                 success: bool, 
                 reason: str, 
                 value: Optional[any] = None) -> None:
        self.success = success
        self.reason = reason
        self.value = value

    @classmethod
    def succeed(cls, value: any, reason: str = 'Ok') -> 'Result':
        return cls(True, reason, value=value)

    @classmethod
    def fail(cls, reason: str, value: Optional[any] = None) -> 'Result':
        return cls(False, reason, value=value)