Iterators Again

Table of Contents

Returning Generic Iterators

Currently, Rust allows no generic return values. You have to use impl trait here.

fn main() {
    let v = vec![1,2,3];
    let i = make_iter(&v);
}

fn make_iter<'a>(v: &'a Vec<u8>) -> impl Iterator<Item=&u8> {
    v.iter()
}