rustfmt: add page (tldr-pages#2318) (tldr-pages#2319)

HazemBZ · Sep 11, 2018 · 61f9589 · 61f9589
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commit 61f9589
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diff --git a/pages/common/rustfmt.md b/pages/common/rustfmt.md
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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}}`