Cross-platform global hotkey in Rust

main.rs

use tauri_hotkey as hotkey;  // Discontinued, but v0.1.2 is working fine as of 2021-10-14
use std::io::{stdin, Read};

fn main() {
    let spec = "ctrl+alt+r";
    let mut hk = hotkey::HotkeyManager::new();
    let key = hotkey::parse_hotkey(&spec).unwrap();
    println!("Listening for {}. Enter to exit", &spec);
    hk.register(key, move || println!("{} pressed!", &spec)).unwrap();
    stdin().read(&mut [0]).unwrap();  // wait for "enter"
}