Function ntex_redis::cmd::Exists

pub fn Exists<T>(key: T) -> KeysCommand where
    BulkString: From<T>, 

EXISTS redis command

Returns if key exists.

use ntex_redis::{cmd, RedisConnector};

#[ntex::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    let redis = RedisConnector::new("127.0.0.1:6379").connect().await?;
    let key = gen_random_key();

    // set string value
    redis.exec(cmd::Set(&key, "value")).await?;

    // check keys existence
    let value = redis.exec(
        cmd::Exists(&key).keys(vec!["test_1", "test_2"])
    ).await?;

    assert_eq!(value, 1);
    Ok(())
}