LSET

Sets the value of an element in a list by its index.

Usage: LSET key index element
Complexity: O(N) where N is the length of the list. Setting either the first or the last element of the list is O(1).
Since: 1.0.0
ACL Categories: @list, @slow, @write
Command flags: WRITE, DENYOOM

Sets the list element at index to element. For more information on the index argument, see LINDEX.

An error is returned for out of range indexes.

Examples

127.0.0.1:6379> RPUSH mylist "one"
(integer) 1
127.0.0.1:6379> RPUSH mylist "two"
(integer) 2
127.0.0.1:6379> RPUSH mylist "three"
(integer) 3
127.0.0.1:6379> LSET mylist 0 "four"
OK
127.0.0.1:6379> LSET mylist -2 "five"
OK
127.0.0.1:6379> LRANGE mylist 0 -1
1) "four"
2) "five"
3) "three"

Replies

RESP2

Simple string reply: OK.

RESP3

Simple string reply: OK.