struct-display.rs

use std::fmt;

struct NameBadge {
  name: String
}

impl fmt::Display for NameBadge {
   fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
     write!(f, "Hello, my name is {}", self.name)
   }
}

fn main() {
  let mut bob = String::new();
  bob.push_str("Bob");
  
  let badge = NameBadge {
    name: bob
  };
  
  println!("Your badge reads: {}", badge);
}