Function ntex_redis::cmd::HLen
source · pub fn HLen<T>(key: T) -> IntOutputCommandwhere
BulkString: From<T>,
Expand description
HLEN redis command
Returns the number of fields contained in the hash stored at key.
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();
// create hashmap and set field
redis.exec(cmd::HSet(&key, "test-key", "value")).await?;
// get len of hashmap
let value = redis.exec(cmd::HLen(&key)).await?;
assert_eq!(value, 1);
Ok(())
}