https://doc.rust-lang.org/std/fmt/ https://doc.rust-lang.org/std/fmt/ Different tools for the same job. One is explicitly integer to string conversion the othe

https://doc.rust-lang.org/std/fmt/ https://doc.rust-lang.org/std/fmt/ Different tools for the same job. One is explicitly integer to string conversion the other is sting formatting. You can technically use the latter, but some prefer a function which explicitly does one thing and one thing only.