Jacob Pratt 6d865038a5
Rollup merge of #120291 - pitaj:string-sliceindex, r=Amanieu
Have `String` use `SliceIndex` impls from `str`

This PR simplifies the implementation of `Index` and `IndexMut` on `String`, and in the process enables indexing `String` by any user types that implement `SliceIndex<str>`.

Similar to #47832

r? libs

Not sure if this warrants a crater run.
2024-02-29 05:25:26 -05:00
..
2023-12-10 10:56:22 +08:00