pyiter.take_until

View Source

 1from typing import Callable, Iterable, Iterator
 2from .transform import Transform, T
 3
 4
 5class TakeUntilTransform(Transform[T, T]):
 6    """A transform that takes elements from an iterable until a predicate is true."""
 7
 8    def __init__(self, iter: Iterable[T], predicate: Callable[[T], bool]):
 9        super().__init__(iter)
10        self.predicate = predicate
11
12    def __do_iter__(self) -> Iterator[T]:
13        for e in self.iter:
14            if self.predicate(e):
15                break
16            yield e

class TakeUntilTransform(pyiter.transform.Transform[~T, ~T]): View Source

 6class TakeUntilTransform(Transform[T, T]):
 7    """A transform that takes elements from an iterable until a predicate is true."""
 8
 9    def __init__(self, iter: Iterable[T], predicate: Callable[[T], bool]):
10        super().__init__(iter)
11        self.predicate = predicate
12
13    def __do_iter__(self) -> Iterator[T]:
14        for e in self.iter:
15            if self.predicate(e):
16                break
17            yield e

A transform that takes elements from an iterable until a predicate is true.

predicate

Inherited Members

pyiter.transform.Transform: Transform; iter; cache; transforms