redis 0.20.2

use redis::AsyncCommands;

#[tokio::main]
async fn main() -> redis::RedisResult<()> {
    let client = redis::Client::open("redis://127.0.0.1/").unwrap();
    let mut con = client.get_async_connection().await?;

    con.set("key1", b"foo").await?;

    redis::cmd("SET")
        .arg(&["key2", "bar"])
        .query_async(&mut con)
        .await?;

    let result = redis::cmd("MGET")
        .arg(&["key1", "key2"])
        .query_async(&mut con)
        .await;
    assert_eq!(result, Ok(("foo".to_string(), b"bar".to_vec())));
    Ok(())
}