pub struct Context<'a , T = i32>{
    simulator: *mut Simulator,
    servers : *mut Server,
    generator: *mut Generator,
    events: *mut EventQueue,
    queue: *mut Queue,
    _marker:  PhantomData<&'a T>,
}
impl  <'a, T> Context<'a, T>{
    pub fn get_simulator(&self) -> &'a mut Simulator {
        let ptr =  unsafe { &mut *self.simulator };
        ptr

    }
    pub fn get_servers(&self) -> &'a mut Server {
        let ptr =  unsafe { &mut *self.servers };
        ptr

    }
    pub fn get_generator(&self) -> &'a mut Generator {
        let ptr =  unsafe { &mut *self.generator };
        ptr

    }
    pub fn get_events(&self) -> &'a mut EventQueue {
        let ptr =  unsafe { &mut *self.events };
        ptr

    }
    pub fn get_queue(&self) -> &'a mut Queue {
        let ptr =  unsafe { &mut *self.queue };
        ptr

    }
}