We create gods and men in rust.

gods.rs

extern crate rand;
use std::iter::Iterator;
use std::collections::HashMap;
use rand::{thread_rng, Rng};


macro_rules! s {
    ($x: expr) => {
        $x.to_owned()
    };
}

struct God<'a> {
    subjects: Vec<Person<'a>>,
    powers: Vec<String>
}

impl<'a> God <'a> {
    fn viewPowers (&self) {
        let mut all = HashMap::new();
        for o in self.subjects.iter() {
            all.insert(&o.name, &o.powers);
        }

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

    fn addpowers(&'a mut self) {
        for o in self.subjects.iter_mut() {
            let mut i = thread_rng();
            let i = i.gen_range(0, 2);

            if o.powers.len() == 0 {
                o.powers.push(&self.powers[i])
            }
        }
    }
}

#[derive(Debug)]
struct Person<'a> {
    name: String,
    age: u16,
    i: usize,
    powers: Vec<&'a String>
    // job: &'a Company<'a>
}

fn main() {
    //println!("Hello, world!");

    let mut kratos = God {
        subjects: Vec::new(),
        powers: vec![s!("Chains of olympus"), s!{"Blade of Zeus"}]
    };

    let mut efe = Person {
        i: 0,
        powers: vec![&kratos.powers[0]],
        name: "efe".to_owned(),
        age: 111,
    };

    kratos.subjects.push(efe);

    {
        kratos.viewPowers();
    }
    {
        kratos.addpowers();        
    }
    {
        kratos.viewPowers();
    }
   
}