Chapter 3. The rustfmt formatting tool

Prerequisites

• Rust Toolset is installed.

Procedure

• Install the rustfmt package:

  • On RHEL 8, enter:

    # yum install rustfmt

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  • On RHEL 9 and 10, enter:

    # dnf install rustfmt

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Prerequisites

• An existing Rust project.

Procedure

• Format the Rust source code:

  $ rustfmt <source-file>

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  Replace <source_file> with the name of your source file. Alternatively, you can replace <source_file> with standard input. The rustfmt utility then provides its output in standard output.

  Important

  By default, rustfmt modifies the affected files without displaying details or creating backups. To display details and create backups, run rustfmt with the --write-mode option.

Prerequisites

• An existing Rust project.