LLEN key
Available since: 1.0.0
Time complexity: O(1)
ACL categories:
@read
@list
@fast
Returns the length of the list stored at key.
If key does not exist, it is interpreted as an empty list and 0 is returned.
An error is returned when the value stored at key is not a list.
@return
@integer-reply: the length of the list at key.
@examples
redis> LPUSH mylist "World"
TBD
redis> LPUSH mylist "Hello"
TBD
redis> LLEN mylist