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.