bors eb088b8b9d Auto merge of #111200 - a1phyr:spec_sized_iterators, r=the8472
Optimize `Iterator` implementation for `&mut impl Iterator + Sized`

This adds a specialization trait to forward `fold`, `try_fold`,... to the inner iterator where possible
2023-08-05 17:38:26 +00:00
..
fix
2023-07-23 09:58:31 +00:00