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

src/button.rs

@@ -0,0 +1,63 @@
+use sfml::graphics::{CircleShape, Color, Drawable, RectangleShape, RenderStates, RenderTarget, RenderWindow, Shape, Transformable, Text, Font};
+use sfml::window::{Event, Key, Style};
+use sfml::system::Vector2f;
+
+trait Clickable {
+    fn name(&self) -> &'static str;
+    fn is_clicked(&self, mouse_position: Vector2f) -> &'static str;
+}
+
+pub struct Button<'s> {
+    body: RectangleShape<'s>,
+    text: Text<'s>,
+    font: &'s Font,
+    callback: Option<&'s FnMut(i32)>,
+}
+
+impl<'s> Button<'s> {
+    pub fn new(size: Vector2f, pos: Vector2f, font: &'s Font) -> Self {
+
+        let mut body = RectangleShape::with_size(size);
+        body.set_position(pos);
+
+        let mut text = Text::new("", font, 13);
+        text.set_fill_color(&Color::BLUE);
+        text.set_position(pos);
+
+        Self { body , text, font, callback: None }
+    }
+
+    pub fn set_text(&mut self, text: &str) {
+        self.text.set_string(text);
+    }
+
+    pub fn set_position(&mut self, position: Vector2f) {
+        self.body.set_position(position);
+        self.text.set_position(position);
+    }
+
+    pub fn set_callback(&mut self, callback: &'s FnMut(i32)){
+        self.callback = Some(callback);
+    }
+}
+
+impl<'s> Drawable for Button<'s> {
+    fn draw<'a: 'shader, 'texture, 'shader, 'shader_texture>(
+        &'a self,
+        render_target: &mut RenderTarget,
+        _: RenderStates<'texture, 'shader, 'shader_texture>,
+    ) {
+        render_target.draw(&self.body);
+        render_target.draw(&self.text);
+    }
+}
+
+impl<'s> Clickable for Button<'s> {
+    fn name(&self) -> &'static str {
+        unimplemented!()
+    }
+
+    fn is_clicked(&self, mouse_position: Vector2f) -> &'static str {
+        unimplemented!()
+    }
+}