Function reader

test/pytests/test_completer_use_switch.py:88–95

()

    errors: list[str] = []

    def reader() -> None:
        document = Document("SELECT ", len("SELECT "))
        while not stop.is_set():
            try:
                list(completer.get_completions(document, None))
            except Exception:
                errors.append(traceback.format_exc())
                return

    def writer() -> None:
        n = 0