LLEN
Syntax
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.