Function _is_last

xarray/core/datatree_render.py:302–317

(iterable: Iterable)

def _is_last(iterable: Iterable) -> Iterator[tuple[DataTree, bool]]:
    iter_ = iter(iterable)
    try:
        nextitem = next(iter_)
    except StopIteration:
        pass
    else:
        item = nextitem
        while True:
            try:
                nextitem = next(iter_)
                yield item, False
            except StopIteration:
                yield nextitem, True
                break
            item = nextitem