rust/library
bors 3d31363338 Auto merge of #85176 - a1phyr:impl_clone_from, r=yaahc
Override `clone_from` for some types

Override `clone_from` method of the `Clone` trait for:
- `cell::RefCell`
- `cmp::Reverse`
- `io::Cursor`
- `mem::ManuallyDrop`

This can bring performance improvements.
2021-05-19 02:17:41 +00:00
..
2021-05-02 17:46:00 -06:00
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