firestar5683
29 lines
689 B
Python
29 lines
689 B
Python
from typing import Callable, TypeVar
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import reactivex
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from reactivex import Observable
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_T = TypeVar("_T")
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def start_with_(*args: _T) -> Callable[[Observable[_T]], Observable[_T]]:
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def start_with(source: Observable[_T]) -> Observable[_T]:
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"""Partially applied start_with operator.
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Prepends a sequence of values to an observable sequence.
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Example:
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>>> start_with(source)
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Returns:
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The source sequence prepended with the specified values.
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"""
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start = reactivex.from_iterable(args)
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sequence = [start, source]
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return reactivex.concat(*sequence)
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return start_with
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__all__ = ["start_with_"]
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