Shared via Rust Playground

playground.rs

struct Hook;
struct Timer;

struct ComputerUnit<'a> {
    hooks: Vec<&'a mut Hook>,
    memory: Mmu<'a>
}

impl<'a> ComputerUnit<'a> {
    fn new(hooks: Vec<&'a mut Hook>, timer: &'a Timer) -> ComputerUnit<'a> {
        ComputerUnit {
            hooks: hooks,
            memory: Mmu::new(timer)
        }
    }
}

struct Mmu<'a> {
    timer : &'a Timer
}

impl<'a> Mmu<'a> {
    fn new(timer: &Timer) -> Mmu {
        Mmu {
            timer: timer
        }
    }
}

fn tuple() -> (Timer, Timer) {
    (Timer{}, Timer{})
}

fn make(hooks: Vec<& mut Hook>) {
    let (timer, _) = tuple();
    
    ComputerUnit::new(hooks, &timer);
}

fn main()  {
    make(vec!())
}