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from typing import Any, Callable
import reactivex
from reactivex import Observable
def with_latest_from_(
*sources: Observable[Any],
) -> Callable[[Observable[Any]], Observable[Any]]:
"""With latest from operator.
Merges the specified observable sequences into one observable
sequence by creating a tuple only when the first
observable sequence produces an element. The observables can be
passed either as seperate arguments or as a list.
Examples:
>>> op = with_latest_from(obs1)
>>> op = with_latest_from(obs1, obs2, obs3)
Returns:
An observable sequence containing the result of combining
elements of the sources into a tuple.
"""
def with_latest_from(source: Observable[Any]) -> Observable[Any]:
return reactivex.with_latest_from(source, *sources)
return with_latest_from
__all__ = ["with_latest_from_"]
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