def zlexcount(self, name, min, max):
with self.pipe as pipe:<EOL><INDENT>return pipe.zlexcount(self.redis_key(name), min, max)<EOL><DEDENT>
Return the number of items in the sorted set between the
lexicographical range ``min`` and ``max``.

:param name: str     the name of the redis key
:param min: int or '-inf'
:param max: int or '+inf'
:return: Future()