#![allow(dead_code, deprecated, unused_variables, unused_mut)]
fn divide(numerator: f64, denominator: f64) -> Option<f64> {
    if denominator == 0.0 { None } else { Some(numerator / denominator) }
}
fn main() {
    let result = divide(2.0, 3.0);
    match result {
        Some(x) => println!("Result: {x}"),
        None => println!("Cannot divide by 0"),
    }
}