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# rustfmt
> 格式化 Rust 源代码的工具。
> 更多信息: <https://github.com/rust-lang/rustfmt>.
- 格式化文件,就地覆盖原始文件:
`rustfmt {{source.rs}}`
- 检查文件的格式并在控制台上显示所有更改:
`rustfmt --check {{source.rs}}`
- 格式化之前,备份所有修改过的文件(原始文件的扩展名为 `.bk`):
`rustfmt --backup {{source.rs}}`