docs: def hset(self, key, field, value):
          """Sets `field` in the hash stored at `key` to `value`.
  
          If `key` does not exist, a new key holding a hash is created. If
          `field` already exists in the hash, it is overwritten.
  
          .. note::
  
             **Time complexity**: always ``O(1)``
  
          :param key: The key of the hash
          :type key: :class:`str`, :class:`bytes`
          :param field: The field in the hash to set
          :type key: :class:`str`, :class:`bytes`
          :param value: The value to set the field to
          :returns: ``1`` if `field` is a new field in the hash and `value`
              was set; otherwise, ``0`` if `field` already exists in the hash
              and the value was updated
          :rtype: int
  
          """
          return self._execute([b'HSET', key, field, value])