Rollup of 3 pull requests#154913

Closed

JonathanBrouwer wants to merge 7 commits intorust-lang:mainfrom

JonathanBrouwer:rollup-qECsPrw

Commits on Apr 6, 2026

rename `{ref=>imm_ptr}_to_mplace`, `mplace_to_{ref=>imm_ptr}`
WaffleLapkin
committed
allow `mplace_to_imm_ptr` to return different types of pointers
WaffleLapkin
committed
implement `StructuralPartialEq` for `MaybeDangling`
WaffleLapkin
committed
Update books
rustbot
committed
Rollup merge of #154891 - WaffleLapkin:deregress-manually-drop-matching, r=JohnTitor
JonathanBrouwer
authored
Rollup merge of #154894 - WaffleLapkin:mplace_ptr_conversions, r=RalfJung
JonathanBrouwer
authored
Rollup merge of #154901 - rustbot:docs-update, r=ehuss
JonathanBrouwer
authored