struct Philosopher {
    name: String
}

impl Philosopher {
    fn new(name: &str) -> Philosopher {
        Philosopher {
            name: name.to_string()
        }
    }

    fn eat(&self) {
        println!("{} is done eating.", self.name);
    }
}

fn main() {
    let philosophers = vec![
        Philosopher::new("Judith Butler"),
        Philosopher::new("Gilles Deleuze"),
        Philosopher::new("Karl Marx"),
        Philosopher::new("Emma Goldman"),
        Philosopher::new("Michel Foucault"),
    ];

    for p in &philosophers {
        p.eat();
    }
}

struct Philosopher {
    name: String
}

impl Philosopher {
    fn new(name: &str) -> Philosopher {
        Philosopher {
            name: name.to_string()
        }
    }

    fn eat(&self) {
        println!("{} is done eating.", self.name);
    }
}

fn main() {
    let philosophers = vec![
        Philosopher::new("Judith Butler"),
        Philosopher::new("Gilles Deleuze"),
        Philosopher::new("Karl Marx"),
        Philosopher::new("Emma Goldman"),
        Philosopher::new("Michel Foucault"),
    ];
}

--- 
+++ 
@@ -22,4 +22,8 @@
         Philosopher::new("Emma Goldman"),
         Philosopher::new("Michel Foucault"),
     ];
+
+    for p in &philosophers {
+        p.eat();
+    }
 }
Call `eat()` on every philosopher in the vector
