Not related, but I often want to see the next or previous element when I'm iterating. When that happens, I always have to switch to an index-based loop. Is there a function that returns Iter<Item=(T, Option<T>)> where the second element is a lookahead?
Not related, but I often want to see the next or previous element when I'm iterating. When that happens, I always have to switch to an index-based loop. Is there a function that returns Iter<Item=(T, Option<T>)> where the second element is a lookahead?