tokio-tungstenite simple https example

Cargo.toml

[package]
name = "tungstenite-example"
version = "0.0.1"
authors = ["Fedcomp"]
edition = "2018"

[dependencies]
tokio-tungstenite = { version = "0.10.1", features = ["tls"] }
tokio = { version = "0.2.21", features = ["full"] }
futures = "0.3.5"

main.rs

use tokio_tungstenite::connect_async;
use futures::{SinkExt, StreamExt};

const URL: &str = "wss://echo.websocket.org";

#[tokio::main]
async fn main() {
    let (mut connection, _) = connect_async(URL).await.expect("Failed to connect");
    connection.send("hello".into()).await.expect("Failed to send");
    let connect_async_text_response = connection.next().await.expect("No response received").expect("Protocol error");
    dbg!(connect_async_text_response);

    let (mut connection, _) = connect_async(URL).await.expect("Failed to connect");
    connection.send((&b"hello"[..]).into()).await.expect("Failed to send");
    let connect_async_binary_response = connection.next().await.expect("No response received").expect("Protocol error");
    dbg!(connect_async_binary_response);
}