Print PreparedMetadata using the Rust driver for Scylla

print_metadata.rs

use scylla::{Session, SessionBuilder};

#[tokio::main]
async fn main() {
    let session: Session = SessionBuilder::new()
        .known_node("127.0.0.1:9042")
        .build()
        .await
        .unwrap();

    session
        .query("DROP KEYSPACE IF EXISTS tks", ())
        .await
        .unwrap();
    session.query("CREATE KEYSPACE tks with replication = {'class': 'NetworkTopologyStrategy', 'replication_factor': 1}", ()).await.unwrap();
    session
        .query(
            "CREATE TABLE tks.tab (p int, c int, PRIMARY KEY (p, c))",
            (),
        )
        .await
        .unwrap();

    let prepared = session
        .prepare("SELECT p FROM tks.tab WHERE p = :x AND c = :x")
        .await
        .unwrap();

    println!("{:#?}", prepared.get_prepared_metadata());
}