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

pub struct MyItem {
    pub fld1: String,
}

pub struct ApprendoObject {
    pub item: MyItem,
    pub uuid: uuid::Uuid,
}

impl ApprendoObject {
    fn new() -> Self {
        let m: MyItem = MyItem {
            fld1: String::new(),
        };
        ApprendoObject {
            item: m,
            uuid: uuid::Uuid::new_v4(),
        }
    }
}

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

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