#[derive(Debug)]
struct Widget {
    name: String,
    id: i32,
    r#type: String
}


fn main() {

    let mut list = vec![];

    list.push(Widget {
        name: "Fred".to_string(),
        id: 1,
        r#type: "One".to_string()
    });

    list.push(Widget {
        name: "Bob".to_string(),
        id: 2,
        r#type: "Two".to_string()
    });

    list.push(Widget {
        name: "Foo".to_string(),
        id: 3,
        r#type: "Three".to_string()
    });

    list.push(Widget {
        name: "Bar".to_string(),
        id: 4,
        r#type: "One".to_string()
    });

    let left  = |w: &Widget| w.id <= 2;
    let right = |w: &Widget| w.name.starts_with("F");
    let and = |w: &Widget| left(w) && right(w);

    let results: Vec<Widget> = list.into_iter().filter(and).collect();

    for item in results {
        println!("{:?}", item);
    }

}