member

UK[ˈmembə(r)] US[ˈmɛmbɚ]

n. Member; molecule; body part (especially arm or leg); component , parts

plural: members

redis SMEMBERS command syntax

Function: Return all members in the collection key. Keys that do not exist are treated as empty sets.

Syntax: SMEMBERS key

Available versions: >= 1.0.0

Time complexity: O(N), N is the cardinality of the set.

Return: All members in the collection.

redis SMEMBERS command example

# key 不存在或集合为空
redis> EXISTS not_exists_key
(integer) 0
redis> SMEMBERS not_exists_key
(empty list or set)
# 非空集合
redis> SADD language Ruby Python Clojure
(integer) 3
redis> SMEMBERS language
1) "Python"
2) "Ruby"
3) "Clojure"