Class DefaultPlaceholder

typer/models.py:170–182

You shouldn't use this class directly. It's used internally to recognize when a default value has been overwritten, even if the new value is `None`.

class DefaultPlaceholder:
    """
    You shouldn't use this class directly.

    It's used internally to recognize when a default value has been overwritten, even
    if the new value is `None`.
    """

    def __init__(self, value: Any):
        self.value = value

    def __bool__(self) -> bool:
        return bool(self.value)


DefaultType = TypeVar("DefaultType")