Python union type

Union type python

# Union typing can be used like this:
Union[int, str]

# In function defintion it would look like this:
def func(x: Union[int, str]) -> Union[int, str]:
	...

Source: grepper.com

Python union type

# User-defined generic (union) types can be created by typing the following Python (3.10.2) commands:

from typing import TypeVar, Generic
from logging import Logger

T = TypeVar('T')

class LoggedVar(Generic[T]):
    def __init__(self, value: T, name: str, logger: Logger) -> None:
        self.name = name
        self.logger = logger
        self.value = value

    def set(self, new: T) -> None:
        self.log('Set ' + repr(self.value))
        self.value = new

    def get(self) -> T:
        self.log('Get ' + repr(self.value))
        return self.value

    def log(self, message: str) -> None:
        self.logger.info('%s: %s', self.name, message)

Source: grepper.com

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