def list_users(runas=None):
    if runas is None:
        runas = salt.utils.get_user()
    res = __salt__['cmd.run'](
        ['rabbitmqctl', 'list_users'],
        runas=runas,
        python_shell=False)

    # func to get tags from string such as "[admin, monitoring]"
    func = lambda string: set([x.strip() for x in string[1:-1].split(',')])
    return _output_to_dict(res, func)
@todo: docstring
dataset/ETHPy150Open saltstack/salt/salt/modules/rabbitmq.py/list_users--crossover with--dataset/ETHPy150Open sahana/eden/modules/s3db/survey.py/survey_LayoutBlocks.addTempBlock