Method _validate

src/marshmallow/fields.py:278–282

Perform validation on ``value``. Raise a :exc:`ValidationError` if validation does not succeed.

(self, value: typing.Any)

        return accessor_func(obj, check_key, default)

    def _validate(self, value: typing.Any) -> None:
        """Perform validation on ``value``. Raise a :exc:`ValidationError` if validation
        does not succeed.
        """
        self._validate_all(value)

    @property
    def _validate_all(self) -> typing.Callable[[typing.Any], None]: