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+# rustfmt
+
+> Tool for formatting Rust source code.
+
+- Format a file, overwriting the original file in-place:
+
+`rustfmt {{source.rs}}`
+
+- Check a file for formatting and display any changes on the console:
+
+`rustfmt --check {{source.rs}}`
+
+- Backup any modified files before formatting (the original file is renamed with a `.bk` extension):
+
+`rustfmt --backup {{source.rs}}`