hello rust errors / published by https://github.com/dacr/code-examples-manager #6bad24cb-6378-4c5d-9aad-9812eca90e86/7f160d5ae7b46c32f4e2a7140f46de27807b4d82

hello-errors.rs

#!/usr/bin/env rust-script
// summary : hello rust errors
// keywords : rust, errors, tries, @testable
// publish : gist
// authors : David Crosson
// license : Apache NON-AI License Version 2.0 (https://raw.githubusercontent.com/non-ai-licenses/non-ai-licenses/main/NON-AI-APACHE2)
// id : 6bad24cb-6378-4c5d-9aad-9812eca90e86
// created-on : 2024-10-16T09:56:34+02:00
// managed-by : https://github.com/dacr/code-examples-manager
// run-with : ./$file

fn divideNaive(n: u8, d: u8) -> u8 {
    if d == 0 {
        panic!("Can't divide by 0")
    }
    n / d
}

fn divide(n: u8, d: u8) -> Result<u8, String> {
    if d == 0 {
        return Err(String::from("Can't divide by 0"));
    }
    Ok(n / d)
}


fn main() {
    let x = divide(42, 0);
    match x {
        Ok(n) => println!("x = {}", n),
        Err(e) => println!("Error = {}", e),
    }
}