message: feat(runtime-core) Implement `ImportObjectIterator::size_hint`.
diff: @@ -192,9 +192,16 @@ pub struct ImportObjectIterator {
  impl Iterator for ImportObjectIterator {
  type Item = (String, String, Export);
  +
  fn next(&mut self) -> Option<Self::Item> {
  self.elements.pop_front()
  }
  +
  + fn size_hint(&self) -> (usize, Option<usize>) {
  + let len = self.elements.len();
  +
  + (len, Some(len))
  + }
  }
  impl IntoIterator for ImportObject {
  