Rollup of 7 pull requests#83664

Merged

bors merged 20 commits intorust-lang:masterfrom

Dylan-DPC-zz:rollup-wx6idpd

Mar 30, 2021

Commits on Feb 20, 2021

alloc: Added `as_slice` method to `BinaryHeap` collection
frol
committed

Commits on Mar 13, 2021

provide a more realistic example for BinaryHeap::as_slice
frol
committed

Commits on Mar 26, 2021

unix: Fix feature(unix_socket_ancillary_data) on macos and other BSDs
reyk
committed

Commits on Mar 27, 2021

Lint on unknown intra-doc link disambiguators
camelid
committed

Commits on Mar 28, 2021

Add escape_default method to u8 and [u8]
clarfonthey
committed

Commits on Mar 29, 2021