Rollup of 5 pull requests#70865

Merged

bors merged 15 commits into

rust-lang:masterfrom

Dylan-DPC-zz:rollup-jje2cuv

Apr 7, 2020

Commits on Mar 31, 2020

Add io::Write::write_all_vectored
Thomasdezeeuw
committed

Commits on Apr 1, 2020

Commits on Apr 5, 2020

expose suggestions::InferCtxtExt for clippy
rkuhn
committed

Commits on Apr 6, 2020