improve the suggestion of the lint `unit-arg`#5931

Merged

bors merged 4 commits intorust-lang:masterfrom tnielens:unit-arg

Sep 10, 2020

+203-137

Commits on Aug 20, 2020

unit-arg - improve suggestion
tnielens
committed

Commits on Aug 27, 2020

unit-arg - pr comments
tnielens
committed

Commits on Sep 2, 2020