pub const fn empty<T>() -> Empty<T>ⓘNotable traits for Empty<T>impl<T> Iterator for Empty<T> type Item = T;
impl<T> Iterator for Empty<T> type Item = T;
Creates an iterator that yields nothing.
// this could have been an iterator over i32, but alas, it's just not.
let mut nope = iter::empty::<i32>();