[Rust] 다형성

예제

• 코드

  •  trait Job {
         fn job(&self);
     }
            
     struct A {}
            
     impl Job for A {
         fn job(&self) {
             println!("A job call");
         }
     }
            
     struct B {}
            
     impl Job for B {
         fn job(&self) {
             println!("B job call");
         }
     }
            
     fn main() {
         let values: Vec<Box<dyn Job>> = vec![Box::new(A {}), Box::new(B {})];
            
         for value in values.iter() {
             value.job();
         }
     }
    

• 실행 결과

  •  A job call
     B job call