Rust return generic Iterator

main.rs

fn wrap_vec<'a, T>(v: &'a Vec<T>) -> impl Iterator<Item = String> + 'a where T: std::fmt::Display {
    v.iter().map(|s| format!("<{}>", s))
}

fn main() {
    let a = vec!["a", "b", "c"];
    for s in wrap_vec(&a) {
        println!("{}", s);
    }
}