Function has_any_completions

IPython/core/completer.py:718–736

Check if any result includes any completions.

(result: MatcherResult)

def has_any_completions(result: MatcherResult) -> bool:
    """Check if any result includes any completions."""
    completions = result["completions"]
    if _is_sizable(completions):
        return len(completions) != 0
    if _is_iterator(completions):
        try:
            old_iterator = completions
            first = next(old_iterator)
            result["completions"] = cast(
                Iterator[SimpleCompletion],
                itertools.chain([first], old_iterator),
            )
            return True
        except StopIteration:
            return False
    raise ValueError(
        "Completions returned by matcher need to be an Iterator or a Sizable"
    )


def completion_matcher(