pub struct Base {
    name: String,
}

pub enum Fish {
    FishA(Base),
    FishB(Base),
}

impl FIsh {
    pub fn foo(&self) -> () {
        match *self {
            Fish::FishA(Base {ref name}) => self.fooA(),
            Fish::FishB(Base {ref nom}) => self.fooB(),
        }

    }

    fn fooA(&self) -> () {
        println!("fooA !");
    }

    fn fooB(&self) -> () {
        println!("fooB !");
    }
}
fn main() {
    let v = vec![
        Fish::FishA(Base { name: "John".to_owned() }),
        Fish::FishB(Base { name: "Jean".to_owned() }),
    ];

    for x in v {
        x.foo();
    }
}