cargo +nightly fmt
```
-To format code that requires edition 2018, create a `rustfmt.toml` [configuration](#configuring-rustfmt) file containing:
-
-```toml
-edition = "Edition2018"
-```
-
## Limitations
Rustfmt tries to work on as much Rust code as possible, sometimes, the code
* [Sublime Text 3](https://packagecontrol.io/packages/RustFmt)
* [Atom](atom.md)
* Visual Studio Code using [vscode-rust](https://github.com/editor-rs/vscode-rust), [vsc-rustfmt](https://github.com/Connorcpu/vsc-rustfmt) or [rls_vscode](https://github.com/jonathandturner/rls_vscode) through RLS.
+* [IntelliJ or CLion](intellij.md)
## Checking style on a CI server
Example:
```
- cargo fmt --emit files
+ cargo fmt -- --emit files
```
Options:
| Flag |Description| Nightly Only |
|:---:|:---:|:---:|
| files | overwrites output to files | No |
- | stdout | writes output to stdout | No |
+ | stdout | writes output to stdout | No |
| coverage | displays how much of the input file was processed | Yes |
| checkstyle | emits in a checkstyle format | Yes |