One Hat Cyber Team

Your IP: 172.22.0.1
Server IP: 151.80.20.34
Server: Linux 794f04d97d5e 5.15.0-143-generic #153-Ubuntu SMP Fri Jun 13 19:10:45 UTC 2025 x86_64
Server Software: Apache/2.4.62 (Debian)
PHP Version: 8.2.28
Buat File | Buat Folder

Dir : ~/usr/lib/python3.11/importlib/resources/

View File Name : _itertools.py

from itertools import filterfalse

from typing import (
    Callable,
    Iterable,
    Iterator,
    Optional,
    Set,
    TypeVar,
    Union,
)

# Type and type variable definitions
_T = TypeVar('_T')
_U = TypeVar('_U')


def unique_everseen(
    iterable: Iterable[_T], key: Optional[Callable[[_T], _U]] = None
) -> Iterator[_T]:
    "List unique elements, preserving order. Remember all elements ever seen."
    # unique_everseen('AAAABBBCCDAABBB') --> A B C D
    # unique_everseen('ABBCcAD', str.lower) --> A B C D
    seen: Set[Union[_T, _U]] = set()
    seen_add = seen.add
    if key is None:
        for element in filterfalse(seen.__contains__, iterable):
            seen_add(element)
            yield element
    else:
        for element in iterable:
            k = key(element)
            if k not in seen:
                seen_add(k)
                yield element