alexel.rs

//use std::fs::OpenOptions;
use std::env;

#[derive(Debug, Default)]
pub struct Something {
    field1: Vec<S1>,
    field2: Vec<S2>,
    field3: Vec<S3>,
    field4: Vec<S4>,
    field5: Vec<S5>,
    field6: Vec<S6>,
    field7: Vec<S7>,
    field8: Vec<S8>,
    field9: Vec<S9>,
}

#[derive(Debug, Default)]
pub struct S1(String);

#[derive(Debug, Default)]
pub struct S2(String);

#[derive(Debug, Default)]
pub struct S3(String);

#[derive(Debug, Default)]
pub struct S4(String);

#[derive(Debug, Default)]
pub struct S5(String);

#[derive(Debug, Default)]
pub struct S6(String);

#[derive(Debug, Default)]
pub struct S7(String);

#[derive(Debug, Default)]
pub struct S8(String);

#[derive(Debug, Default)]
pub struct S9(String);

fn main() {
    let mut args = env::args();
    args.next();
    let arg1 = args.next().unwrap();
    let num: usize = arg1.parse().unwrap();
    let mut something: Something = Default::default();

    for _ in 0..num {
        something.field1.push(Default::default());
        something.field2.push(Default::default());
        something.field3.push(Default::default());
        something.field4.push(Default::default());
        something.field5.push(Default::default());
        something.field6.push(Default::default());
        something.field7.push(Default::default());
        something.field8.push(Default::default());
        something.field9.push(Default::default());
    }

    println!("{:?}", something);
}