forked from JOJ/Joint-Teapot
14 lines
338 B
Python
14 lines
338 B
Python
from typing import Callable, Iterable, Optional, TypeVar
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_T = TypeVar("_T")
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def first(
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iterable: Iterable[_T], condition: Callable[[_T], bool] = lambda x: True
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) -> Optional[_T]:
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return next((x for x in iterable if condition(x)), None)
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if __name__ == "__main__":
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print(first([1, 2, 3, 4], lambda x: x == 5))
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