HEX
Server: Apache/2.4.65 (Ubuntu)
System: Linux ielts-store-v2 6.8.0-1036-gcp #38~22.04.1-Ubuntu SMP Thu Aug 14 01:19:18 UTC 2025 x86_64
User: root (0)
PHP: 7.2.34-54+ubuntu20.04.1+deb.sury.org+1
Disabled: pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,
Upload Files
File: //lib/python3/dist-packages/hamcrest/library/collection/isin.py
from typing import Sequence, TypeVar

from hamcrest.core.base_matcher import BaseMatcher
from hamcrest.core.description import Description
from hamcrest.core.matcher import Matcher

__author__ = "Jon Reid"
__copyright__ = "Copyright 2011 hamcrest.org"
__license__ = "BSD, see License.txt"

T = TypeVar("T")


class IsIn(BaseMatcher[T]):
    def __init__(self, sequence: Sequence[T]) -> None:
        self.sequence = sequence

    def _matches(self, item: T) -> bool:
        return item in self.sequence

    def describe_to(self, description: Description) -> None:
        description.append_text("one of ").append_list("(", ", ", ")", self.sequence)


def is_in(sequence: Sequence[T]) -> Matcher[T]:
    """Matches if evaluated object is present in a given sequence.

    :param sequence: The sequence to search.

    This matcher invokes the ``in`` membership operator to determine if the
    evaluated object is a member of the sequence.

    """
    return IsIn(sequence)