fighting with the borrow checker. I don't think this child-parent updating works in rust

src/main.rs

@@ -46,6 +46,7 @@ mod timer;
 mod input;
 mod vkprocessor;
 mod util;
+mod button;
 
 // What next?
 
@@ -54,6 +55,8 @@ mod util;
 
 fn main() {
 
+    let font = Font::from_file("resources/fonts/sansation.ttf").unwrap();
+
     let instance = Instance::new(None, &InstanceExtensions::none(), None).unwrap();
     let mut processor = vkprocessor::VkProcessor::new(&instance);
     processor.compile_kernel(String::from("simple-edge.compute"));
@@ -72,8 +75,6 @@ fn main() {
     let mut timer = Timer::new();
     let mut input = Input::new();
 
-    let font = Font::from_file("resources/fonts/sansation.ttf").unwrap();
-
     let xy = processor.xy;
     let mut bg_texture = Texture::new(xy.0, xy.1).unwrap();
     bg_texture.update_from_pixels(processor.read_image().as_slice(), xy.0, xy.1, 0, 0);
@@ -81,10 +82,12 @@ fn main() {
     let mut background_sprite = Sprite::with_texture(&bg_texture);
     background_sprite.set_position((0., 0.));
 
-    let mut slider = Slider::new(40.0, None);
+    let mut slider = Slider::new(Vector2f::new(40.0, 40.0), None, &font);
 
     let mut selected_colors = Vec::new();
 
+    let mut button = button::Button::new(Vector2f::new(40.0,40.0), Vector2f::new(100.0,100.0), &font);
+    button.set_text("Text");
 
     let step_size: f32 = 0.005;
     let mut elapsed_time: f32;
@@ -165,6 +168,8 @@ fn main() {
             window.draw(i);
         }
 
+        window.draw(&button);
+
         window.display();
     }
 }