Rust Tokio で Ctrl + C の入力を受け付ける

Cargo.toml

[package]
name = "tokio"
version = "0.1.0"
edition = "2021"

[dependencies]
tokio = { version = "1", features = ["full"] }

src/main.rs

use tokio::signal;

#[tokio::main]
async fn main() {
    println!("waiting for ctrl-c");

    signal::ctrl_c().await.expect("failed to listen for event");

    println!("received ctrl-c event");
}