use std::rc::Rc;

struct ObjectData<'a>{
    renderer: Rc<Renderer + 'a> ,
}

struct Object<'a>{
    data: ObjectData<'a>,
}

struct Scene<'a>{
    objects: Vec<Object<'a>>,
}

impl<'a> Scene<'a> {
    fn new() -> Self {
        unimplemented!()
    }

    fn load(&'a mut self, loader: fn(scene: &'a mut Scene<'a>)){
        loader(self);
    }
}

fn main() {
    let mut scene = Scene::new();
    scene.load(load);
}

fn load<'a>(_scene: &'a mut Scene<'a>){

}

pub trait Renderer {
   fn draw(&self);
}

pub struct SpriteRenderer<'a>{
   pub shader: &'a Shader
}

impl<'a> Renderer for SpriteRenderer<'a> {
     fn draw(&self) {}
}

pub struct Shader {
   pub id:u32
}