firestar5683
25 lines
497 B
Python
25 lines
497 B
Python
from typing import Callable, TypeVar
|
|
|
|
from reactivex import Observable, compose
|
|
from reactivex import operators as ops
|
|
from reactivex.typing import Predicate
|
|
|
|
_T = TypeVar("_T")
|
|
|
|
|
|
def all_(predicate: Predicate[_T]) -> Callable[[Observable[_T]], Observable[bool]]:
|
|
def filter(v: _T):
|
|
return not predicate(v)
|
|
|
|
def mapping(b: bool) -> bool:
|
|
return not b
|
|
|
|
return compose(
|
|
ops.filter(filter),
|
|
ops.some(),
|
|
ops.map(mapping),
|
|
)
|
|
|
|
|
|
__all__ = ["all_"]
|