Rollup of 11 pull requests#56155

Merged

bors merged 35 commits intorust-lang:masterfrom

GuillaumeGomez:rollup

Nov 22, 2018

Commits on Oct 29, 2018

Return &T / &mut T in ManuallyDrop Deref(Mut) impl
petertodd
committed

Commits on Nov 8, 2018

Clarifying documentation for collections::hash_map::Entry::or_insert
meltinglava
committed

Commits on Nov 13, 2018

The example values are now easyer to differenciate
meltinglava
committed

Commits on Nov 14, 2018

Fix VecDeque pretty-printer
tromey
committed

Commits on Nov 15, 2018

Commits on Nov 17, 2018

Commits on Nov 19, 2018

Commits on Nov 20, 2018

Commits on Nov 21, 2018

Commits on Nov 22, 2018