Source code for visions.types.boolean

from typing import Any, Sequence

from multimethod import multimethod

from visions.relations import IdentityRelation, InferenceRelation, TypeRelation
from visions.types.generic import Generic
from visions.types.object import Object
from visions.types.string import String
from visions.types.type import VisionsBaseType


[docs]class Boolean(VisionsBaseType): """**Boolean** implementation of :class:`visions.types.type.VisionsBaseType`. Examples: >>> import visions >>> x = [True, False, False, True] >>> x in visions.Boolean True >>> x = [True, False, None] >>> x in visions.Boolean True """ @classmethod def get_relations(cls) -> Sequence[TypeRelation]: relations = [ IdentityRelation(cls, Generic), InferenceRelation(cls, String), InferenceRelation(cls, Object), ] return relations
[docs] @staticmethod @multimethod def contains_op(item: Any, state: dict) -> bool: pass