src/tools/rust-analyzer


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tree 9b07668a01107a6e080752f93d7e0ea4c30c8a1d
parent 4566414789310acb2617543f4b50beab4bb48e06
parent 24f816c4815b02327c31574685bf80e78d2b9743
author bors[bot] <26634292+bors[bot]@users.noreply.github.com> 1637524867 +0000
committer GitHub <noreply@github.com> 1637524867 +0000
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Merge #10823

10823: fix: better `Fn` traits formatting r=jonas-schievink a=veber-alex

This makes it so formatting `Fn` traits properly handles:

1. An `Fn` trait with only a single argument -> removes the trailing comma.
2. An `Fn` trait which returns nothing (an empty tuple) -> don't show `-> ()` as the return type.

before:
![before](https://user-images.githubusercontent.com/29788806/142745038-44ac68ce-de42-4396-a809-ffdb883be699.png)

after:
![after](https://user-images.githubusercontent.com/29788806/142745040-485feaa2-cc21-4a05-9576-5410ea355029.png)


Co-authored-by: Alex Veber <alexveber@gmail.com>