LSET – Redis

始于1.0.0可用。

时间复杂度： O(N) where N is the length of the list. Setting either the first or the last element of the list is O(1).

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

An error is returned for out of range indexes.

返回值

redis> RPUSH mylist "one"

(integer) 1

redis> RPUSH mylist "two"

(integer) 2

redis> RPUSH mylist "three"

(integer) 3

redis> LSET mylist 0 "four"

OK

redis> LSET mylist -2 "five"

OK

redis> LRANGE mylist 0 -1

1) "four"
2) "five"
3) "three"