explicit_iter_loop should warn &[T].iter()

[malbarbo]

fn main() {
    let s = &[1, 2, 3, 4];
    for a in s.iter() { // .iter() is not necessary
        println!("{:?}", a);
    }
}

[llogiq]

As long as s Derefs to a slice.

[retep998]

This lint should also apply to for foo in bar.iter() when bar: &Vec<T> but it currently does not.