Item

iter_item.rs

fn print_iter<T>(iter: impl Iterator<Item = T>)
where
    T: std::fmt::Debug,
{
    for i in iter {
        println!("{:?}", i);
    }
}

fn main() {
    let vec_i32 = vec![1, 2, 3, 4, 5];
    print_iter(vec_i32.into_iter());

    let vec_u16: Vec<u16> = vec![1111, 112, 3, 4, 5];
    print_iter(vec_u16.into_iter());
}