Function instance_of

src/attr/validators.py:113–127

A validator that raises a `TypeError` if the initializer is called with a wrong type for this particular attribute (checks are performed using `isinstance` therefore it's also valid to pass a tuple of types). Args: type (type | tuple[type]): The type to check for. Rais

(type)

def instance_of(type):
    class="st">"""
    A validator that raises a `TypeError` if the initializer is called with a
    wrong type for this particular attribute (checks are performed using
    `isinstance` therefore it&class="cm">#x27;s also valid to pass a tuple of types).

    Args:
        type (type | tuple[type]): The type to check for.

    Raises:
        TypeError:
            With a human readable error message, the attribute (of type
            `attrs.Attribute`), the expected type, and the value it got.
    class="st">"""
    return _InstanceOfValidator(type)


@attrs(repr=False, frozen=True, slots=True)