Error Handling in Rust that Every Beginner should Know (recovering from a panic)

recovering_from_panic.rs

fn parse_to_f64(s: &str) -> f64 {
    s.parse::<f64>().unwrap()
}
let result = std::panic::catch_unwind(|| {
    println!("{}", parse_to_f64("12.34"));
});
assert!(result.is_ok());

let result = std::panic::catch_unwind(|| {
    println!("{}", parse_to_f64("abcdef"));
});
assert!(result.is_err());
println!("You should see this")