mirror of
https://github.com/rust-lang/rust.git
synced 2025-11-24 10:37:42 +00:00
Our `Cursor::peek_prev` and `CursorMut::peek_prev` must agree on how to behave when they are called on the "null element".
Our `Cursor::peek_prev` and `CursorMut::peek_prev` must agree on how to behave when they are called on the "null element".