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from typing import Any, Optional
from reactivex import Observable, abc
from reactivex.disposable import Disposable
def never_() -> Observable[Any]:
"""Returns a non-terminating observable sequence, which can be used
to denote an infinite duration (e.g. when using reactive joins).
Returns:
An observable sequence whose observers will never get called.
"""
def subscribe(
observer: abc.ObserverBase[Any], scheduler: Optional[abc.SchedulerBase] = None
) -> abc.DisposableBase:
return Disposable()
return Observable(subscribe)
__all__ = ["never_"]
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