await redis.sadd("key", "a", "b", "c");
const cardinality = await redis.scard("key");
console.log(cardinality); // 3
Return how many members are in a set
await redis.sadd("key", "a", "b", "c");
const cardinality = await redis.scard("key");
console.log(cardinality); // 3
The key of the set.
How many members are in the set.
await redis.sadd("key", "a", "b", "c");
const cardinality = await redis.scard("key");
console.log(cardinality); // 3
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