// use serde_derive; // 1.0.97
use uuid; // 0.7.4

#[derive(Clone)]
pub struct MyItem {
    pub fld1: String,
}

impl MyItem {
    pub fn new() -> Self {
        Self { fld1: String::new() }
    }
}


pub struct MyObject<'item> {
    pub item: &'item MyItem,
    pub uuid: uuid::Uuid,
}

impl<'item> MyObject<'item> {
    fn new(item: &'item MyItem) -> Self {
        MyObject {
            item,
            uuid: uuid::Uuid::new_v4(),
        }
    }
}

impl<'item> Iterator for MyObject<'item> {
    type Item = &'item MyItem;
    fn next(&mut self) -> Option<Self::Item> {
        Some(self.item)
    }
}

fn main() {
    let item = MyItem::new();
    let mut c = MyObject::new(&item);
    println!("{}", c.next().unwrap().fld1);
}