Comment by holmium

you can do it that way if you wanted to

    let mut i = 0;
    for item in items {
      item.method(i);
      i += 1;
    }

I don't know why you'd it that way, but Rust definitely isn't stopping you from doing that.

e: and as running example: https://play.rust-lang.org/?version=stable&mode=debug&editio...