Source code for phantom.boolean
"""
Types describing objects that coerce to either ``True`` or ``False`` respectively when
calling ``bool()`` on them.
"""
from . import Phantom
from .predicates import boolean
[docs]class Truthy(Phantom[object], predicate=boolean.truthy, bound=object):
"""
>>> isinstance("Huzzah!", Truthy)
True
>>> isinstance((), Truthy)
False
"""
[docs]class Falsy(Phantom[object], predicate=boolean.falsy, bound=object):
"""
>>> isinstance((), Falsy)
True
>>> isinstance("Hej!", Falsy)
False
"""