foo.rs

use std::fs::read_dir;

fn main() {
    match print_paths("special") {
        Ok(()) => println!("Done"),
        Err(a) => println!("Errors happened: {}", a)
    }
}

fn print_paths(path : &str) -> Result<(), std::io::Error> {
    let paths = read_dir(path)?;
    for path in paths {
        let path_buf = path?.path();
        if let Some(name) = path_buf.to_str() {
            println!("Name: {}", name);
        } else {
            println!("Closest name: {}", path_buf.to_string_lossy())
        }
    }
    Ok(())
}