- Usage:
-
LLEN key
- Complexity:
- O(1)
- Since:
- 1.0.0
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.
Examples
127.0.0.1:6379> LPUSH mylist "World"
(integer) 1
127.0.0.1:6379> LPUSH mylist "Hello"
(integer) 2
127.0.0.1:6379> LLEN mylist
(integer) 2