Linux Magazine #1 2022: Rust Listings

C-programma Listing:

#include <stdio.h>

#include <stdlib.h>

#include <ctype.h>

#include <time.h>

#include <unistd.h>

struct ticketnum {

    int lastnum;

    int forlastnum;

};

int main () {

    int t,l;

    srand((unsigned)time(NULL));

    printf("\n\tShow me the Money!\n");

    printf("\tA tool to generate the last two numbers for your lottery ticket.\n\n");

    printf("\tHow many ticket numbers do you want to generate? ");

    scanf("%d", &t);

    if (t == 0) {

        printf("\n\tYou did not enter a valid amount of tickets.\n");

        printf("\tClosing the program.\n");

        return 1;

    }

    printf("\n\tYou have choosen to generate random number for %d lottery tickets.\n", t);

    printf("\tHere we go!!\n\n");

    sleep(1);

    struct ticketnum ticket[t];

    l = t;

    do  {

        ticket[l].forlastnum = rand() % 10;

        ticket[l].lastnum = rand() % 10;

        printf("\tTicket number %d has the following two number at the end:\n", l);

        printf("\t %d %d\n", ticket[l].forlastnum, ticket[l].lastnum);

        l=l-1;

        sleep(1);

    } while (l>0);

    printf("\n\tGood Luck!\n");

    return(0);

}

Rust-programma Listing:

use std::io;

use rand::Rng;

use std::{thread, time};

struct Ticketnum {

    lastnum: u8,

    forlastnum: u8,

}

fn main() {

    let mut x = 0;

    let mut input = String::new();

    println!("Show me the Money!");

    println!("Een klein programma om de laatste twee nummers van je staatslot te genereren.");

    println!("Hoeveel staatsloten wil je genereren?");

    io::stdin().read_line(&mut input).expect("Failed to read line.");

    let tickets: u8 = input.trim().parse().unwrap_or(0);

    println!("Je hebt ervoor gekozen om voor {} tickets nummers te genereren", tickets);

    while x < tickets {

        thread::sleep(time::Duration::from_secs(2));

        println!("Bezig met genereren van ticket {}", x+1);

        x+=1;

        let ticketgen = Ticketnum {

            lastnum: rand::thread_rng().gen_range(0..9),

            forlastnum: rand::thread_rng().gen_range(0..9),

        };

        println!("Ticket nummer {} heeft de volgende twee nummer op het eind: {} {}", x, ticketgen.forlastnum, ticketgen.lastnum);

       

    }

}