Function _uniq

tools/python-3.11.9-amd64/Lib/re/_parser.py:453–454

(items)

    raise source.error("bad escape %s" % escape, len(escape))

def _uniq(items):
    return list(dict.fromkeys(items))

def _parse_sub(source, state, verbose, nested):
    # parse an alternation: a|b|c