hLen(key: string): number

import redis from "pts/redis";

let client = new redis.Client("redis://:<password>@<host>:6379/0");

export default function main() {
    let hSetResp = client.hSet("hash", "k", 1, "k1", 2);
    console.log(`redis hSet ${hSetResp}`); // 2
    let hLenResp = client.hLen("hash");
    console.log(`redis hLen ${hLenResp}`); // 2
}