bors ec40181913 Auto merge of #77639 - jagill:stabilize-slice_partition_at_index, r=Amanieu
Stabilize slice_partition_at_index

This stabilizes slice_partition_at_index, including renaming `partition_at_index*` -> `select_nth_unstable*`.

Closes #55300

r? `@Amanieu`
2020-10-13 06:33:52 +00:00
..
2020-10-12 00:07:41 -04:00