srem
SREM
Remove members from a set
Usage is srem key member.
It returns the number of members removed.
Example
| Command> | sadd myset "member_1" "member_2" |
| Result> | 2 |
| Command> | srem myset "member_1" |
| Result> | 1
member_1 was removed |
| Command> | smembers myset |
| Result> | 1) member_2 |
| Command> | srem myset "member_X" |
| Result> | 0
"member_X" did not exist, so it was not removed |
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Syntax
SREM key member [member ...]
- Available since version 1.0.0.
- Time complexity is O(1).
- Since version 2.4, multiple members can be specified.