rustfmt:tldr:9f5d6
The rustfmt command is a tool for formatting Rust source code according to a consistent set of style guidelines. It can automatically fix or modify the formatting of your code, making it more readable and maintainable.
In the command rustfmt ${path-to-source-rs}, ${path-to-source-rs} represents the path to the Rust source code file you want to format.
By running this command, rustfmt will analyze the source code file specified by ${path-to-source-rs} and apply formatting rules to it. It will modify the code file in-place, making the necessary changes to ensure consistent and proper formatting.
For example, if you have a source code file located at /home/user/project/main.rs and you want to format it using rustfmt, you can execute the command rustfmt /home/user/project/main.rs.