pub type Iter<'a, K, V> = DynTrait<'a, RBox<()>, RefIterInterface<K, V>>;
An RHashMap iterator, implementing Iterator<Item= Tuple2< &K, &V > > + !Send + !Sync + Clone
Iterator<Item= Tuple2< &K, &V > > + !Send + !Sync + Clone
struct Iter<'a, K, V> { /* private fields */ }