#![allow(dead_code, deprecated, unused_variables, unused_mut)] #![allow(dead_code)] use std::fs::File; use std::io::prelude::*; use std::io; struct Info { name: String, age: i32, rating: i32, } fn write_info(info: &Info) -> io::Result<()> { let mut file = File::create("my_best_friends.txt")?; file.write_all(format!("name: {}\n", info.name).as_bytes())?; file.write_all(format!("age: {}\n", info.age).as_bytes())?; file.write_all(format!("rating: {}\n", info.rating).as_bytes())?; Ok(()) } fn main() {}